I got my Wet/Dry from www.Marinedepot.com.. I currently have a 55gal Reef and went with a wet/Dry setup for a 125gal tank.. Its a CPR Wet/Dry.. My tank is not drilled so i also went with the overflow.. Total cost with shipping was like $265.00
I have seen some really nice ones on Ebay with protein skimmers for around 250.00 with shipping... The link below is one that should be sufficent