Vestalife has announced the launch of three new speaker systems for the iPod and iPhone. The Ladybug II is a slightly larger update to the company’s original Ladybug, with improved bass response thanks to a ported subwoofer, and upgraded electronics. It will sell for $100. Previewed at Macworld Expo in January, the Firefly system features a more curved design than that of the Ladybug, with a wide, smooth soundstage, and a fly-like appearance.…