1.5b3 max resolution

[rubysolo]

Hello all--

Just installed Snow Leopard on Saturday and am in the process of getting everything up and running again. I installed the 1.5b3 driver (I have 2 Arkview display adapters), and the driver is working for me, but I cannot get the max resolution (1600 x 1200) -- if I select this option, the display goes black, and I have to select something lower. I was able to get the max resolution with the 1.1 series of drivers under 10.5. Is anyone else seeing this? Is there something I can try, or am I stuck waiting for a driver update?

Thanks,

Solomon