Check out the Toshiba Thrive It might just have everything you need.

PROS:
very aggressive pricing
grooved back
full HDMI and USB support
full SD card slot
replaceable battery
built-in file management system makes finding and accessing files in Honeycomb easier

CONS:
very bulky design
lack of ports
plastic back leaves it feeling less solid than the iPad 2.

Jack

"People generally quarrel because they cannot argue." - G. K. Chesterton