Selling a brand new Apeks XTX50 first stage and second stage, second
stage is a yellow octopus version.. no difference from standard version
except colour of mouthpiece. Never been used, never been registered,
purchased from an authorized aqualung retailer, paid $450, selling for
$375.. I'm in Canada, shipping/insurance shouldn't cost more than
$20-25 within North America. Here's a picture:

http://img157.imageshack.us/img157/66/regnm7.jpg