GTA Poker Richard~;231648 wroteI disagree, it helps a bunch with marginal spots and pays for itself quickly You could use one, but you don't need one
ReefAquarium Back when Pokertracker and HUD's first came out, I used tools like starspy to gather every hand played on every table. Soon I had Gigs of data. If you have access to every hand your opponent has ever played it's a big advantage. It uses a ton of computing resources though.