Intel has discontinued a couple more processors. It includes the Core i5-661 and Core i3-530 LGA1156 models, and the Pentium E5700, Celeron E3500 and E3400 (boxed only for the latter) LGA775 chips.
The Core i5-661 and Core i3-530 will be available for orders until April 27, 2012 and will continue shipping until October 5th, 2012, for the tray versions, and until supplies are depleted, for the boxed SKUs.
Orders for the Pentium E5700 and Celeron E3500 will be halted on December 30th, 2011, while shipments are slated to go on until June 8th, 2012 (tray) or while supplies last (boxed). As for the boxed Celeron E3400, it will also be up for order until December 30th (2011) and will ship until there are no more units in Intel's warehouses.