The conference, held at the Westin South Coast Plaza in Costa Mesa, featured pitches by eight different companies vying for the attention--and pocketbooks--of venture capitalists. Magnify360 was voted the best investment opportunity by both venture capitalist audience members and panelists. The panelists included James Cham of Bessemer Venture Partners; Beau Laskey of Steamboat Ventures; Greg Martin Southern California's top startups showed up in force Friday at the Westin South Coast Plaza in Costa Mesa, for the Technology Council of Southern California's annual VentureNet conference. (socalTECH