Yeah, use the Titan. It is a GREAT workstation/server case. Nice and big, decently quiet, and comes with a GREAT powersupply.
Anyway, in terms of CPU coolers.... You may need to look in the US, but
http://www.thermalright.com/new_a_pa...50aHVzaWFzdA==
Is a KILLER cooler. I believe these guys have stock, and shipping should be a decent price.
Thermalright HR-01-X CPU Heatsink For Intel Xeon Prosesors