I checked succesfully on the last 4 Catalyst released with GTX480
using LION 10.7.4 or more.
Is Working 64 bit perfectly with DECKLINK EXTREME 3D,LFG4 and PHOENIX.

last 2 Catalyst release work with LION o.s. 10.7.4 -64 bit + GTX480
with 6 SDI Video input simoultanuosly,i must use
2 x Phoenix PE1 +
1 x Phoenix PE4

All Catalyst was released with

O.S. Lion 10.7.4 Primary Boot Bay 1 OCZ VERTEX 2
O.S Lion 10.4.7 Secondary Boot Bay 2 and STORAGE 1 Tbyte Driver
2 x OCZ VERTEX 2 Bay 3+ Bay 4 RAID Striped give 530/490 mb/s
for Library.

bye.