WTB Kastle MX83 (171). With or without bindings. Excellent condition.
Mod note: Thread title edited to reflect content.
There doesn't seem to be a ton of the 173s out there — other than new at full retail, or close to it. Powder 7 has a new pair at $999.95 (a nickel short of a grand), but I'm not seeing ex-demos in that length. I bought a pair of 173 demos in the summer of 2014 at a very good price.