oh wow, sorry i havent been to these forums in forever
i hope you chose the scythe mugen 2, its a great cooler
mounting system is difficult at best, but there are good pictorial guides online.

the xigmatek dark knight is also a very good one
and prolimatech megahalems isnt at newegg, but it is at places like frozencpu.com

the TRUE120 is only any good if you lap it (long gruelling form of sanding the base flat), washer mod it, and put a very high pressure fan on it