oh well then you're fine, you can easily fit in a nice CPU/GPU loop in there and have some nice components. Just make sure you get the D5 pump, I'm kinda pissed off I bought the D4 and a few weeks later, bam, the D5 shows up. Better flow and quieter to boot.
Go with what I've listed above, all good parts for a system that doesn't have an iwaki. If you want a good performing radiator visit xtremesytems.org and PM weapon about his cores, or for a dirt cheap alternative check out this: