Final cut pro x supported videocards
support for fast rendering, exporting , hdmi live professional output viewing (lowest prised one)
iMac, Mac OS X (10.7.2)
support for fast rendering, exporting , hdmi live professional output viewing (lowest prised one)
iMac, Mac OS X (10.7.2)
Supported graphics cards can be found here: http://support.apple.com/kb/HT4664
The ATI Radeon HD 5870 is a good choice IMHO.
Final cut pro x supported videocards