Don't know if this is a great deal or not, but there is a SWG on Woot! today. Woot is a one-deal-a-day site that always has silly write-ups on the items they sell.
Compu-Pool CPSC-36 Salt Water Pool Chlorinator Kit
http://www.woot.com/
Compu-Pool CPSC-36 Salt Water Pool Chlorinator Kit
http://www.woot.com/