Sorry, I figured people would find enough details in my sig. The new HSF (Thermaltake TMG i2) attaches with the same mounting mechanism as the stock Intel HSF (i.e. four plastic doohickies that pop down into holes and lock into place). Socket 775.
Specs as seen below: Gigabyte GA-965P-DS3 | E6420 @ 2.8ghz | 2 x 1gb random access memory | eVGA 8800GTS 320mb | TT 550w | 80gb WD | CM Centurion 5