RC1: D3D bugs

I think this is a persistent bug that needs to be
addressed before final ship.
When I change from opengl windowed to D3D fullscreen
the screen shows garbage and pressing ALT + ENTER
hides T2D (it's in the taskbar but not on screen)
In general D3D seems broken, maybe is my card?

Primary Display Device Found:
Vendor Id: VEN_1002
Device Id: DEV_5B60

RADEON X300/X500 (0x5B60) 128 MB
WinXP SP2