Prolence: Only time I personally care whether the product (game/movie/cd) is sealed or not, would be when I buy a product that's labeled as new. Otherwise I don't really care for those, but I'm bad at trying to keep products sealed as I'll unseal those anyways, whether I immediately use it or not. I'm rather impatient in that regard..
Fairfox: I deffo prefer nu when it comes to eBay and teh like. What is your stance on 'Liek Nu'? Spelling aside :P
Actually I have a bit of a confession to make, I've never ordered anything from Ebay, ever. That aside, overall when someone labels a product that's unsealed 'like new' / 'in prime condition' / 'very little used', I don't mind if I can be 100% sure that's the case. I've got stuff that's not wrapped but still in pristine condition, even if it's actually used by someone earlier. So I think it's whether I could trust the seller or not, I guess.
When it comes to spelling, personally I don't find the way you write to be
that confusing. It's something that catches my eye when browsing the forums, in a good way. So to be honest, I don't really mind.
If I ever misunderstand something, I'd expect to be corrected anyways so there's no harm done, in my opinion at least.