Now it is getting interesting:
The same problem of slow AC seems to be solved by different solutions:
1. Net 4.0 from MS - free
2. About $350.00 ? royal graphic card per computer
3. Turning off hardward acceleration.
May be more will coming. I will stay tuned till Jon sends us
V 6 0 10 beta.
May be this just proves that the slowness is due to a variety of reasons.