This is a review of 17 SSDs but the author has written a good primer on SSDs in general.
SSD 2012 roundup: Sixteen 120 and 128 GB SATA 6G SSDs (page 1: Introduction) - BeHardware
At last! After many long weeks of work, here’s our new SSD report. For 2012, we have decided to focus on the flagship 120 and 128 GB models and limit our selection to SSDs with an SATA 6 Gbps/s interface. We have tested no fewer than seventeen models: