Crucial sent along word that the followup to the venerable m4 SSD is now available in their stores. The m500 features next gen components, and are smartly formatted with overprovisioning. This keeps them running consistently throughout their steady state transition, something you will notice when you read our later SSD reviews.
The m500 is available in these sizes, currently only at Crucial.com, but other retailers should be carrying them soon:
It looks like they are offering the right size for just about everyone, and the price per GB goes down as capacity goes up.