Here's a hands on video with the Galaxy Tab 8.9:
VIDEO: http://www.youtube.com/watch?v=Qln6FslfM_8

Looking good! Nothing special, but certainly a nice form factor.

I'd be torn between the Transformer and this device. I prefer the form factor/weight/specs of the Tab 8.9, but the Transformer's keyboard-with-battery is a really compelling feature!