Yeah this one is a nifty series PIC for sure. Sampling 4 x A/D inputs at once is
a very handy feature.

See this post http://www.picbasic.co.uk/forum/showthread.php?t=6768

I just received a few samples of the new USB 18F2553. 12-bit A/D on this
one is nice, but the 18F2431 is still my favorite. Now, if I can just find more
time to play with it..;o}