https://www.youtube.com/watch?v=7fGYf-W0ATQ

Classifieds (at the time of this suggestion)

3x at 2.7 keys

2x at 2.82 keys

http://imgur.com/dUA19gI

Sellers below 3 keys

http://www.tf2outpost.com/trade/20066762 (2 weeks, 2 keys + 6.66 ref = 2.8~)

http://www.tf2outpost.com/trade/20124185 (1 week, 2 keys + 7 ref = 2.82~)

Unsolds at 3 keys

http://www.tf2outpost.com/trade/20315322 (2 days, has part)

http://www.tf2outpost.com/trade/20284732 (3 days)

http://www.tf2outpost.com/trade/20258783 (5 days)

http://www.tf2outpost.com/trade/20227923 (1 week)

http://www.tf2outpost.com/trade/20223563 (1 week, poorly bumped)

http://www.tf2outpost.com/trade/20214829 (1 week, has part, poorly bumped)

http://www.tf2outpost.com/trade/20084598 (2 weeks)

http://www.tf2outpost.com/trade/20037949 (2 weeks)

http://www.tf2outpost.com/trade/20098860 (2 weeks)

http://www.tf2outpost.com/trade/19629241 (1 month)

Sold for 2 keys + 4 ref

http://www.tf2outpost.com/trade/20317913

Very many on outpost have killstreak/parts