Ok, lets go.

Seen some go for 8 keys here and there.

Successful trades:

http://www.tf2outpost.com/trade/9983456 - 2 sold at 8 keys each

Bought mine at 8 keys: http://i.imgur.com/07DWgRN.png

Selling:

Classifieds:

http://backpack.tf/classifieds/search/865/1/0 - 2 at 9 keys and 1 at 10 keys - http://i.imgur.com/A7aJs4W.png

9 keys:

http://www.tf2outpost.com/trade/10219395 - New, no offers

http://www.tf2outpost.com/trade/10207543 - New, my trade, I got offered 8-8.5 keys in items over chat

10 keys:

http://www.tf2outpost.com/trade/10154572 - 2 days old, no offers

http://www.tf2outpost.com/trade/10085961 - Offered 9 keys + a black villains veil

http://www.tf2outpost.com/trade/9115779 - 6 days unsold, read comments

http://www.tf2outpost.com/trade/10166533 - 2 days, no offers

http://www.tf2outpost.com/trade/9934764 - 1 week, only offer is 7.5-8.5 keys in items

Buying:

8 keys:

http://www.tf2outpost.com/trade/9026764 - 1 add not long ago, the guy is one of the sellers at 9 keys

Getable at 9 keys and even 8 keys, but those are moslty quicksales.

So 9 keys flat would be the best price right now, since they don't sell at 10 keys

Thanks for reading, please tell me what you think and vote, and have a nice one.

Ps. I'm back! After a 5-6 day break from my pc and everything :3