Take the XF-15 from Jojowings. This canopy have the best openings i know.
You get information in the swooping and canopy control forum.
I have some jumps on a demo canopy and last weekend i got my new one. It opens smothly and on heading. I jumped also a velo but the openings are much better on the XF-15. The Manufactor is Jojowings.