6 keys or less is absolutely possible now.

http://www.tf2outpost.com/trade/13156608 - 6 keys

http://tf2tp.com/trade.php?trade=9663992 - 6 keys 1 ref

http://www.tf2outpost.com/trade/13151104 - 6 keys 1 ref

http://www.tf2outpost.com/trade/13156947 - 6 keys

http://www.tf2outpost.com/trade/13156163 - 6 keys

http://tf2tp.com/trade.php?trade=9664222 - 6 keys

http://www.tf2outpost.com/trade/13152836 - 6 keys

http://www.tf2outpost.com/trade/13146307 - 6 keys

http://www.tf2outpost.com/trade/13151507 - 6 keys

http://www.tf2outpost.com/trade/13108500 - 6 keys 2 ref

http://www.tf2outpost.com/trade/13140279 - 6 keys 1 ref (crit kills)

http://www.tf2outpost.com/trade/13135531 - 6 keys 1 ref

http://www.tf2outpost.com/trade/13150063 - 6 keys

http://www.tf2outpost.com/trade/13149966 - 6 keys

http://www.tf2outpost.com/trade/13149966 - 6 keys

http://www.tf2outpost.com/trade/13142838 - 6 keys (has crit kills)

http://www.tf2outpost.com/trade/13142911 - 1:1 S.Mackeral (4.5-5 keys)

http://www.tf2outpost.com/trade/13138966 - 6 keys (Crit kills)

http://www.tf2outpost.com/trade/13137203 - 6 keys

http://tf2tp.com/trade.php?trade=9662005 - 6 keys

http://www.tf2outpost.com/trade/13127361 - 6 keys

http://www.tf2outpost.com/trade/13127194 - 6 keys

http://www.tf2outpost.com/trade/13126604 - 6 keys

http://www.tf2outpost.com/trade/13126265 - 4.5 keys

http://www.tf2outpost.com/trade/13126019 - 6 keys

http://tf2tp.com/trade.php?trade=9661552 - 6 keys

http://www.tf2outpost.com/trade/13121565 - 5 keys

http://www.tf2outpost.com/trade/13108933 - 6 keys

http://backpack.tf/classifieds/search/frying - 2 for 6 keys, a few for 6.1-6.2 keys

Still can be sold for 6.5, I'm just seeing a lot of sellers for less than that so it's pretty much time for 6 to be in the range too. Thanks for your time.