The only Stellas for sale retail right now are white (NM and BG both have the white reissue on their websites). I don't know if the Stella style will be done again this fall, but it is a "classic" and there may be more, probably in a classic color (like black).
Ebay is a good idea, BUT the Stella is a WIDELY FAKED BAG. Please, please check with some friends here on the boards before bidding on anything, I don't want you to pay $$$$ for a fake.
If you post an auction that looks good, I will be glad to have a look. I own 4 (!) Stellas, one in the original brass buckle style, two "new Stellas" with the pushlocks, and a white "reissue" with brass buckles.
Good luck!