Where to buy quality P90

[Quixotic]

I'd like a P90, I've narrowed it down to the King Arms, Tokyo Marui or Classic Army. 

Problem is, I'm struggling to find it in stock. I'd prefer a TR version but as long as it has a good price I'll be happy. 

Thanks in advance 

(sorry if this is the wrong topic, I'm kinda new :/)

[Sacarathe]

http://www.landwarriorairsoft.com/airsoft-rifles-c38/ps90-high-cycle-p2717

 

What about the PS90? IIRC the inner barrel is the same length.