If you are looking for "in stock" Cthulhu v2 I know one online e-cig store in Poland (about 25GBP) but I am not sure if I can provide a link here...PM me.
I used Cthulhu v2 two weeks and it is awesome tank but only with velocity deck. It is very difficult to use liquid control ring after few hours without ring rotation.
I have a Cthulhu v2 I may be willing to sell. All depends on how the Billow V2 Nano works out. I will pick up the Billow V2 Nano today. It got to Tuscon this morning.
The Cthulhu has never been used because I was waiting on my Billow V2 Nano.