In case you never heard about AVC, this company is a well-known large OEM/ODM manufacturer of cooling equipment. If you own a retail boxed processor from either Intel or AMD, chances are that in the past or present, you had AVC-built cooler bundled with the CPU.
As company description explains, this company has extremely long lead-times, needed for implementation into designs of computers from manufacturers such as Dell, HP, Acer and many others. If we take into account that the mainstream Nehalem platform (Lynnfield and Clarkdale processors, probably branded as Core i3 & i5) is set to debut this summer, it’s no wonder that i5 design appeared on AVC’s website five months before introduction.
The company now lists several products compatible with LGA-1156 socket, from OEM solutions (competing for the boxed cooler contract) to a retail multi-heatpiped beast called Napoleon (Plus). In order to win the OEM contracts for enthusiast-class machines, Napoleon (Plus) fits inside the Intel Socket Load Limit policies – e.g. weighs in exactly 450g. A lot of enthusiast coolers weigh more than double that, and while it may be ok to keep a 1000 gram cooler mounted vertically on a horizontally mounted motherboard (e.g. testbed configuration), it is definitely not ok to keep such a monster in a chassis. Napoleon (Plus) has no such issues and can be mounted on any LGA-1156 motherboard without additional strengthening.
For the end of this post, we can probably state that most or even all LGA-1366-compatible coolers can support LGA-1156 processors as well.