i7-3770 SR0PK go for about $90, making these combos a really good deal.
NAF93-Q77 + i7-3770 + Intel HSF + 32GB RAM - $175.00 OBO +shipping - link
NAF93-Q77 + i7-3770 + Intel HSF + 4GB RAM - $130.00 OBO +shipping - link
NAF93-Q77 + i7-3770 + Intel HSF - $130.00 OBO +shipping - link
NAF93-Q77 + i5-3570 + Intel HSF - $82.50 OBO +shipping - link