Finally got my hands on one of these bad-boys...
1) Manufacturer - Asus
2) Model - Transformer TF101
3) Android version - Honeycomb 3.1
4) Carrier - N/A
5) Localization (US, UK, PRC, HK, etc) - Czech
6) Custom firmware (if any) - none
7) microSD card size (if any) - internal storage 16 GB (labeled as sdcard in the file manager), no physical SD/microSD inserted yet (there are slots for both - microSD on the tablet itself, and SD on the docking station)