I've bought a Crucial RealSSD C300 256GB for my new 15" MBP i7 (2010). It worked fine but broke after <5 weeks — all data lost (TimeMachine+Dropbox saved my back). The drive wasn't recognized anymore :-(
I've bought another one until my dealer does RMA in the hope that it's not a "generic" problem.
TL;DR
SSD break out of the sudden and usually everything is lost. Don't use a SSD without having backups on a daily basis!
15 years of my IT career I've never lost any hard disc out of the sudden (~100). A HDD usually does make sounds, throws smart errors or shows signs (starting file system corruption).
SSD die just out of the sudden without any warning.
I've had it happen twice, once in a laptop (the famous click-of-death, just like that, no warning at all), the other time in a server that was in a rack where the audible beep from the raid array wasn't heard and the monitoring utility was mis-configured so it was sending out its warnings to nobody at all.
The second one was pretty nasty because of course we only found out about that one when enough drives had failed that we couldn't recover any more, and as long as it worked it seemed to work perfect.
Of course there is no way to know how long that second one had been giving off warning signs, by the simple fact that several drives had failed it must have been dead a long time before we found out about it.
Lesson learned: after configuring a raid system test if your 'drive dead' signal actually reaches an operator.
I've bought another one until my dealer does RMA in the hope that it's not a "generic" problem.
TL;DR
SSD break out of the sudden and usually everything is lost. Don't use a SSD without having backups on a daily basis!