Half price because you already have the probes? I'm looking at getting the Tarpon and this package:
http://www.customaquatic.com/customaquatic/itemdetail.asp?itemid=DI-NPC-AC3-PHORP-DC8
http://www.customaquatic.com/customaquatic/itemdetail.asp?itemid=DI-NPC-AC3-PHORP-DC8