I only have a PS3, so I can't say for sure. I guess if I would be buying a 360 I'd only play its exclusives there, because I like to get trophies for my PSN profile and I also have all my friends there.

If I played online multiplayer games I wouldn't get them on 360 because I don't want to pay to play online when I can do it for free. But I don't do that anymore generally anyway. The last game I played much online on consoles was Team Fortress 2 and the last time I played that on 360 was maybe 2 or 3 years ago.

Your 'problem' might have to do with the fact that you owned an Xbox 360 first or you just have more friends on it and want to play them or you just like the controller more or it could be any personal preference issue.

I only own a PS3 right now,

But if/when I do get an XBOX 360, I'm pretty sure I would only play exclusives on it, mostly because I would never buy XBOX LIVE, because in my opinion,

Paying to play online is for suckers

Throphies/Achievemets for JRPG's aren't really hard they are just time consuming for the most part.  Also they are a lot easier to get when you use a strategy guide it took me three playthroughs to get all the achievements in Eternal Sonata but I could have done it in two if I would have used a strategy guide.

I have both. PS3 is now a dedicated oversized blueray disk player. 360 doesnt work anymore and I'm too lazy to fix and too cheap to buy another one on the heels of nextgen. Hence Wii UUUUUU.

But my kids always wanted 360 versions of Lego games.

I dont know man, I've completed Uncharted 3 for exactly 25 times.

xDDDD