look in the electronic forum for the IP thread, you'll see several pros/cons on it. I have one, and it works fine/great for me longlining, I don't use the spot lock that much, it's nice to have while I'm retying or looking for something or another lure. It does not hold your boat in a 5' circle/spot like some say but keeps you close to the spot. If you fish brush piles, several people love it and several hate it.
GO BIG ORANGE !
I meant to behave, but there were just way too many other options available at the time.