I think you should add E2220, because it cost only $6 more than E2200
Newegg.com - Intel Pentium E2220 Allendale 2.4GHz 1MB L2 Cache LGA 775 65W Dual-Core Processor - CPUs / Processors
Also, the price difference between the new E4700 and E4600 is not big
and the multi on the e2200 is awesome!