Being a loyalist to a single service doesn't help you. You don't "switch over" or use one exclusively, or you only prevent yourself from getting the offers each one has. The problem people have is with certain practices, which is mostly publisher based and not a platform flaw. Use them all and get the best deals for yourself. :)

In this case the OP wanted to know the differences/pros/cons between the two stores.

Agreed, both are good at what they are. But for similar money the no-DRM policy of GOG beats Steam any day of the week!

Actually, the OP specifically said this:

"I've been using Steam for awhile now and I have 96 games on the program but I'd be willing to switch to Gog if it's better."

which indicates they are considering switching from one store to another. My point was why not use multiple stores to get everything you need rather than limit yourself to one or another.

Both.

What's especially interesting to me are the games taken off of Steam but still or perhaps later included on GOG. In most cases a game would be taken off of both services (as the case with Cryostasis and Second Sight), or on the rare occasion will be taken off GOG and kept on Steam (the Space Ranger games, or at least the newly updated one, and possibly, but hopefully not the first three Fallout games). The flipside includes Neverwinter Nights 2, as you mentioned, which used to be on Steam but was removed quite a while back, and a couple others I know are The Chronicles of Riddick and Fahrenheit/Indigo Prophecy (those two are especially bizarre to me; would Steam not allow the uncut/AO-rated edition of Fahrenheit on their store? And how has The Chronicles of Riddick managed to get on here yet be removed from Steam? I'm hardly complaining, but rather curious, you'd think a Steam-friendly major company like Ubisoft with one of their larger-budget titles like that would keep it on Steam for the better sales and not keep it an exclusive to a comparatively "niche" site like this).

That's a bingo.

I'm new on GOG, and I actually prefer it. I can do with my games wherever I want. I can use them without a client or an Internet connection. They respect their clients, and that's really nice.

Steam is a good a service, but GOG is better.

Main benefits of Steam to me seem to be:
1) convenient warehouse, bundle keys from most everywhere tend to involve Steam (not all, but most )
2) Wide game selection
3) If you have a solid internet connection Steam is a fairly reliable interface - gives quick access to my games.

Main benefits of GOG:
1) great community
2) drm free (which is nice when you're mobile / not online ). This could become an even bigger deal depending on what happens when GFWL shuts down later this year depending on how it's handled.
3) good selection of older games I'd probably never run into otherwise

that said, I also have game accounts at Desura and Shinyloot also, so I'm not particularly picky - but prefer to warehouse my games at either Steam or GOG when possible.

i choce both becus both are awsome

If there's a game I want on either GOG or Steam, I'll always buy it on GOG. I probably wouldn't have started Origin if it weren't for ME3, which I wanted to play no matter what. And since I already had such a client on my PC and then won a Steam game here, I said "why not?" and downloaded Steam as well xD

My longterm plan is to have all game which I own on Steam over here as well - providing that GOG succeeds in getting them all :D

I can't say much about the community on Steam, because I'm not active at all over there, but the community here is freaking great, so that's a plus right there. And of course, DRM-free games.

^^ THIS!^^

GOG--Buy old games--some of them really great old games--without wondering whether they'll work on my system. A clearly spelled-out refund system, on the off-chance they don't. Some good indie/newer titles as well. Great at what it does, but still too limited in its catalog for me to want to stick to it exclusively. DRM-free, although I've had so little problem with Steam that this is becoming more a philosophical then a practical point. Still, it wasn't that long ago we heard GFWL was shutting down, and everyone was running around going "But what about my games that need GFWL to run?" Of course, the major ones migrated to Steam ... and now need Steam to run. I don't see Steam as being in danger of going anywhere anytime soon, but things like that make me wonder.

Steam--Great selection, great games, great discounts, great client. Like, I am seriously in love with their client. Poor customer support would make me reluctant to buy older games from them, and although they currently seem like an immortal giant, I have concerns about them that I talk about above--the industry is fast-changing, after all.

I don't think there's any reason to "switch," but if GOG has games you want that Steam doesn't have, why not use both?

Most of my games come from GOG, though I do have quite a few from Desura, Humble Store, DotEmu and ShinyLoot. I can't stand DRM so I don't even touch Steam, Origin, Blizzard or whatever others are out there. When a game comes out that rely's on one of these services, I write to the developers and tell them how much I want to play the game but the Steam/Origin/Whatever requirement just cost them a sale.

I don't use Steam and the day i will use it is the day when there's no more room in hell and the dead walk the earth.