Personal opinion follows
I don't care for the 'pot' to be displayed somewhere. Part of the game of poker is knowing what is in the pot, what you have left, and what your opponent(s) have left. If a large pot is brewing, and you ask the dealer for a count, they will decline, and per the TDA, only spread the chips out. Don't get me wrong, I love technology and the application of tech, but some areas should stay analog.
*Edit*
Now, if you were to build a way to track the chips given to each player, sign them out, then sign them back in at the end of a tournament, you could find out if someone is skimming chips from you... (We had this problem years ago) and when the chip is eventually logged back in, you can find out your cheat! That would be a use I would be interested in employing.