's post sums up my position as well. At the time, the 360 had more exclusives that were of more interest to me, and although the PS3 had some exclusives that I would have liked, it wasn't enough to justify the buying a whole second console when their game libraries were 90% identical.
I also like the Xbox controller better. Not entirely sure why, but it feels intuitive where the Playstation controller feels awkward.
All other things being equal, I'd have rather stuck with the Xbox, but I won't support their Big Brother nonsense.