what?
There is nothing illegal about sizing up your opponet. It's the same as watching pros on tv. Table mining is against the rules on pokerstars, not fulltilt. I don't know about poker edge, but I have used poker tracker for years with no issues. When you sit at a cash table, the info is in the chat bar, poker tracker just puts it all together for you. This info is priceless, and your foolish for not taking advantage of it.