The Lumix G Vario 7-14mm f/4.0 ASPH lens for Micro Four Thirds cameras is listed as discontinued at B&H and it seems that Panasonic will have an announcement next week:
After a meeting with Panasonic, the Italian website Lucidistorte accidentally leaked that the new Lumix G X Vario 12-35mm f/2.8 ASPH Power O.I.S lens will be announced on May 21th. Maybe Panasonic will announce also the new Lumix G X Vario 35-100mm f/2.8 ASPH Power O.I.S lens that was on display at CES 2012:
