No problem with LION
 

I must be holding my mouth right.... I have had no trouble at all.. I have 3 screens and all seem to be behaving..I am on Lion 10.7.3 and many reboots and though it takes about 5 seconds for the usb screen to come up after a reboot the two screens hooked to the card are instant...and machine is stable as a rock... I do miss OPEN GL on the usb screen its fine.. I just work around the issue...:)

Thank you Hophoto!

Carlo