Allowing T2i/550 to work with Canon EOS Movie Plugin-E1 for FCP
 

*EDIT* Ackkk. Totally missed the mention of this earlier on this forum. Sorry!


Download the plugin:

Canon Digital Learning Center - Introducing EOS Movie Plugin-E1 for Final Cut Pro

Install and then change the camera.plist to include the T2i. Instructions here:

Adding 550D Support to the New Canon EOS Final Cut Plugin|Final Cut User