I've found that the best selection is at Endless. They have a price guarantee and free shipping, and you could return it for free if there's any problem. I bought three pairs myself, all of which I couldn't find in local stores, and all at a lower price.
look hot, what do you think?
Anyway, now there's a big sale on link
With the snow melting away, the weather seems to be getting warm enough to jog outside... maybe I should grab a pair of link
Good luck with your shopping! :)