Where did you get it if I may ask? I've been looking for one for a while. Googling for it didn't get me anywhere, and I consider myself a decent googler.
Megaminx, just started solving it so I average around 4:30, of course the 3x3x3 (white C4U DIY) average around 40 seconds. And I really love the V-Cube 5, average around 4:00. I'm also really interested in the Pyraminx Crystal, it looks like a great puzzle, but it's out of stock everywhere.
They have been out of production for quite a while, their common on ebay though but will set you back up to a 100 dollars.
Any store that still shows them mearly hasn't updated yet, I've tried