Connecting camera to the iPad2
Solution 1:
Yes this is possible with the iPad2 see iPad Camera Connection Kit
and also with the Galaxy Tab 10.1 Galaxy Tab™ Adapter (USB)
Solution 2:
How about buying an Eye-Fi memory card. It's memory cards with Wifi built in. With Direct Mode you should be able to transfer the pictures on the fly.
Make sure you check that the card you buy is Direct Mode compatible by studying their compare cards chart.