I recently found these great videos buried in Youtube that describe in detail just about everything about SSD technology. It's very fascinating. The videos are technically about how SSD's are bad for forensics and data recovery, but they're full of great information. If you've ever been curious about SSD technology, watch these videos. It's worth an hour of your time, trust me. I've never seen a more in depth explanation of how SSD's work:
http://www.youtube.com/watch?v=WcO7xn0wJ2IThe videos are quite technical, but he's pretty good at explaining things in plain English. Just hang in there. Part 2 and beyond is much better than part 1.