I kinda disagree with this suggestion: http://backpack.tf/vote/id/51d5bd54ba2536b750000001

Yes 3 ref isnt working (see proof below) but I dont see that many 2.33 neither sold nor unsold, those that sold for less then 2.66 sold pretty fast.

Searchlinks:

http://www.tf2outpost.com/search/128584780 - tf2op seller

Selling/Unsold:

classified: http://backpack.tf/classifieds/search/590/6/0

3x 2.66 ref

6x 3.00 ref

pic: http://i.imgur.com/m2lW2LJ.png

http://www.tf2outpost.com/trade/12344368 - 2.00 - new (5 hours)

http://www.tf2outpost.com/trade/12208506 - spreadsheet price = 2-2.33 - 4 days, but most probably dont know the "spreadsheet price" anyway ;)

http://www.tf2outpost.com/trade/12345498 - 2.44 - new (4 hours)

http://www.tf2outpost.com/trade/12307077 - 2.66 - 1 day

http://tf2tp.com/trade.php?trade=9594185 - 2.66 - new

http://www.tf2outpost.com/trade/12154830 - "the right price" - 6 days unsold - best offer 2.66

http://www.tf2outpost.com/trade/12343536 - 2.66 - new

http://www.tf2outpost.com/trade/12265437 - 2.66 - 2 days

http://www.tf2outpost.com/trade/12326889 - 2.88 - new

http://www.tf2outpost.com/trade/11805899 - 3.00 - 2 weeks

http://www.tf2outpost.com/trade/11773455 - 3.00 - 2 weeks

http://www.tf2outpost.com/trade/11805579 - 3.00 - 2 weeks

http://www.tf2outpost.com/trade/11216696 - 3.00 - 1 month - best offer: 2.66

http://www.tf2outpost.com/trade/12313882 - 3.00 - 1 day

http://www.tf2outpost.com/trade/12346555 - 3.00 - new

http://www.tf2outpost.com/trade/12062481 - bp.tf high end = 3.00 - 1 week

http://www.tf2outpost.com/trade/10986974 - 3.00 - 1 month

http://www.tf2outpost.com/trade/12182603 - bp.tf high end = 3.00 - 5 days

http://www.tf2outpost.com/trade/12284580 - 3.00 - 2 days

http://www.tf2outpost.com/trade/11682628 - 3.00 - 3 weeks

http://www.tf2outpost.com/trade/11901995 - 3.00 - 2 weeks

http://www.tf2outpost.com/trade/11749500 - 3.00 - 2 weeks

http://www.tf2outpost.com/trade/10408235 - 3.00 - 2 months

http://www.tf2outpost.com/trade/12302849 - 3.00 - new

Sold:

http://tf2tp.com/trade.php?trade=9589983 - 2.00

http://www.tf2outpost.com/trade/12343151 - 2.00 (no longer in bp) - sold within 1 hour

http://tf2tp.com/trade.php?trade=9594793 - 2.00

http://www.tf2outpost.com/trade/12320729 - 2.66

http://www.tf2outpost.com/trade/12289713 - 2.66

http://tf2tp.com/trade.php?trade=9581455 - 2.66

http://tf2tp.com/trade.php?trade=9594185 - 2.66

http://www.tf2outpost.com/trade/11778546 - 2.88

http://www.tf2outpost.com/trade/12310408 - 3.00

For the lulz (selling > current range):

http://www.tf2outpost.com/trade/9996841 - 3.22 - 2 months

http://www.tf2outpost.com/trade/12087543 - 3.33 - 1 week

http://www.tf2outpost.com/trade/11816918 - 4.00 - 2 weeks

http://www.tf2outpost.com/trade/10604848 - 4.55 - 1 month

http://www.tf2outpost.com/trade/12037293 - just lol

http://www.tf2outpost.com/trade/12225520 - ??? - bought it for 2.8 ref ( here: http://www.tf2outpost.com/trade/11778546 link is also under sold)

http://www.tf2outpost.com/trade/7918660 - 1 key + 1 ref - 5 months

http://tf2tp.com/trade.php?trade=9594009 - 1:1 w/ bearded bombadier (3.66-4)