Well initially I was having problems not seeing a temperature drop with my new HSF and some Arctic Silver 5. Mainly the Core readings were 20C+ over the CPU temp readings so I figured something wasn't right, either not seated or an even application of the Arctic Silver 5.
So I took it all a part, cleaned it off and reapplied and resat the HSF. Prior to the reseating, I was getting up to 65C on the cores on a heavy load. Now with 3 Prime95's running at both cores at 100% I'm getting 50-51C max. CPU temps have dropped about 5-10C on the average.
So in hindsight, the new HSF and Arctic Silver did work, in addition to adding two very noisy 120mm fans.