As noted by MacRumors, Apple has recently introduced a new model of the low-end 21.5-inch iMac to educational institutions that brings slightly downgraded specs and shaves $200 off the price of the entry level iMac available to consumers. Replacing the old $999 iMac for education option, the new $1099 21.5-inch iMac (ME699LL/A) offers 4GB of