Where to buy in Los Angeles Eclipse V4?

Hi, does anyone know of a good music store in Los Angeles where they have the Eclipse V4 in stock ?

Also how do I know if I'm buying V4? On Amazon  there is no reference to the version.

http://www.amazon.com/gp/product/B0002GZSYA/ref=s9_psimh_gw_p267_d0_i1?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=center-2&pf_rd_r=0ZJR4AQ8Z8RGDAHJBCJG&pf_rd_t=101&pf_rd_p=1389517282&pf_rd_i=507846