I'm not a fan of the gadgets especially electronic ones but I know many here are so here's another one you can add to your collection cheap from Woot!
http://sellout.woot.com/offers/osi-grill-right-bluetooth-bbq-thermometer-7?ref=tg_gh_so_11_s_txt
http://sellout.woot.com/offers/osi-grill-right-bluetooth-bbq-thermometer-7?ref=tg_gh_so_11_s_txt