Not only the SLT but also some Sony and Zeiss Lens rebate got extended while supplies last (here at Amazon US).
These are now all ongoing US deals:
Save up to $200 on Select Sony Lenses (Click here).
Buy a Qualifying Sony NEX Compact System Camera and Save $100 on Select Sony Lenses (Click here).
Save up to $50 on Select Sony Cyber-shot Digital Cameras (Click here).
Save up to $200 on Qualifying Sony Alpha Digital SLR Cameras (Click here).
P.S.: In Germany you get the RX100 for 469 Euro (via DealsRunner)