This is a heads up on the EOL for MPLAB IDE 8
http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1406&dDocName=en023073MPLAB IDE v8.92 which is due to be released in June 2013, will be the last MPLAB 8 version that will contain new device support. The IDE will always be available from the website to use with the current support level at the time of release. For new devices after this release please switch to use MPLAB X IDE.