I upgraded to Lion. Where's my TRIM support?
Have you booted into recovery mode and try "repair disk" using Disk Utility to ensure updated drivers on the SSD? It should have happened at installation, but several lion installs silently failed to make even a Recovery HD for me.

It's a guess, but I could see Disk Utility perhaps correcting that oversight.

I would certainly open a ticket with Apple Care - you get 90 days of phone support with any purchase and can even schedule a call back from the web site I linked. It might initially warn you about pay per incident, but later on you can select this exemption: