I rarely if ever use my tak tic for Club racing. I occasionally use it in very light winds to ease the boredom. I tend to just sit still and stare at the LED's, day dreaming of anything to get my mind off drifting.
As for GPS I can't see the point! I don't want to know what's happening now. I want to know what's going to happen, in front of me up the beat or behind me on the runs. That would help no end and if the 'Tec' could also predict the lottery numbers just for me that would be extremely useful too.