Granted I'm going off that picture on HP's site of the Veer, Pre3 and TouchPad BUT, assuming they're all done to their real proportions:

The TouchPad is ~9.56 inches tall (same as the iPad). In the pic it's 34.7 pixels tall. That's 3.629 pixels per inch.

The Pre 3 in the pic is 14.3 pixels tall, so it works out to~3.94 inches tall - EXACTLY the same size as the Palm Pre/Plus!

VERY BIG FAIL.