This is just like the quick fix all over again.

First controversial suggestion.

This has enough 1.66 sellers that it needs a range.

Classifieds:

http://imgur.com/FJQyUw7 (Plenty of sellers for 1.66-2 ref)

Sellers for 1.66-2:

http://www.tf2outpost.com/trade/16234775

http://bazaar.tf/trade/571107

http://www.tf2outpost.com/trade/16229577

http://www.tf2outpost.com/trade/16229120

http://www.tf2outpost.com/trade/16228801

http://www.tf2outpost.com/trade/16228126

http://www.tf2outpost.com/trade/16227167

http://www.tf2outpost.com/trade/16220350

http://www.tf2outpost.com/trade/16210755

http://www.tf2outpost.com/trade/16204801

http://www.tf2outpost.com/trade/16200660

http://www.tf2outpost.com/trade/16195283

http://www.tf2outpost.com/trade/16192684

http://www.tf2outpost.com/trade/16190700

Some unsolds:

http://www.tf2outpost.com/trade/16158122 (2 ref, 3 days).

http://www.tf2outpost.com/trade/15884015 (1.66, 2 weeks).

http://www.tf2outpost.com/trade/16207893 (A day, 2 ref, meh).

http://www.tf2outpost.com/trade/16134856 (4 days, 2 ref, changed price).

http://www.tf2outpost.com/trade/16135124 (4 days, 2 ref).

Conclusion: The hype train has crashed. There are enough sellers for 1.66 that it needs to be ranged. Moar proof, counterproof, etc. is appreciated, thanks and have fun.