XLR8 today announced the release of the Carrier ZIF SSE and MACh Carrier G4 SSE, both designed for the six-slot Power Mac 9500 and 9600 systems. The Carrier ZIF (US$139) allows users to drop in any G3 or G4 ZIF processor, while the MACh Carrier G4 SSE accommodates the same but ships with a 400MHz ($379) or 450MHz ($439) processor.