Here is the Canon WFT Server with my Archos 80 G9 tablet (8in screen)
It has a 1024x768 screen (so no more scrolling to see full images), Honeycomb 3.2 and a full sized usb connector for the card reader
The real kicker is the 250gb hard drive for storing images (incl. Raw) on it while travelling. It's almost the perfect travelling companion, except the speakers are not stereo, but I guess you can't ask for much if it only cost USD350.
I've got Photoshop Touch and RawPal Gallery (raw file viewer) running on it
8in screen has pretty good resolution, but it's not a retina display
Camera control (cut down version of EOS Utility) via the Canon WFT Server (no cords, no wireless network)
File viewer (jpeg) via Canon WFT Server
File in Photoshop Touch for editing
Raw file viewed in RawPal Gallery