Which ver you running?
I'm running
Driver Packaging Version 8.651-090826m-087230C
Provider ATI Technologies Inc.
2D Driver Version 6.14.10.6999
2D Driver File Path System/CurrentControlSet/Control/Video/{A43070F1-CE1D-44A0-80F5-F063A7D6B709}/0000
Direct3D Version 6.14.10.0697
OpenGL Version 6.14.10.8918
Catalyst™ Control Center Version 2009.0826.2224.38413
AIW/VIVO WDM Driver Version 6.14.10.6238
AIW/VIVO WDM SP Driver Version 6.14.10.6238
It has the DTV HDMI 3/ Scaling Options & that's where the scaling option is for this version.
I do have to scale it to fit the screen every time I reboot my PC. It's getting annoying.