I had a problem with surfing and even wakeboarding with the weight of the boat and ballast and controlling the speed. Once I upgraded to the GPS system all the issues went away. Just an FYI if you are debating against the PP Wakeboard Pro and the PP Wakeboard Pro GPS version.
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Jason - 2008 Mobius XLV
Wakemakers wave control surf system
Gravity 3 ballast system
1180 center bag
2 rear 1100 bags
Perfect pass gps
Stazigate 2.0