Don't forget Samsung, their SSD's appear to be pretty reliable as well, and the 128/120GB model is comparably priced with the Intel 520.
330 vs 520
Some speed increases, and an extra 2 years on the warranty.
I'm currently debating this very thing myself, though I'm also considering using one for SRT...as what I would need to hold my OS and my Steam library would be rather expensive, and with reliability still being questionable, I am not going to invest that much in it.
I just missed a Newegg sale on the 120gb Kingston HyperX 3K for $60(roughly £37)...because I hesitated and they sold out.