There`s a new iMac in town and this one`s aimed squarely at the education market. New the 21.5" iMac comes with a dual core i3 and it priced at $1099 and is available to the educational institutions only.
The specs for this new iMac are:
3.3GHz Dual-Core Intel Core i3
1920 x 1080 resolution
4GB (two 2GB) memory
500GB hard drive
Intel HD Graphics 4000
not sure on the exact date of availability but orders are being quoted as shipping in 5-7 business days