PocketMatrix

[ignorance]
Aren't a large part of the PocketDivX speedups caused by the e740's ability to decode MPEG4 if I recall correctly, right on the Imageon?
[/ignorance]

Regarding GDI BitBlt performance on the e740, the only bitmaps accelerated by the ATI W100 (or any other low-power graphics chip) are device-dependent-bitmaps (DDBs). These reside in video memory and are created via CreateCompatibleBitmap. The important thing to note is that there is no way that an application can touch the bits of a DDB once it's been created. This prevents the use of these bitmaps for most games that draw to a back buffer in system memory and then copy the contents to video memory each frame.

I've got benchmarks of the various type of BitBlt/FillRect GDI operations and GAPI memcpy/memsets for a number of devices. I'm currently out of town and don't have access to the results but I can post them next week if anyone is interested.