I'd just go with the Crucial M4 or the Samsung 830, they're both good drives. I've got a 256GB M4 in my MacBook Pro and the 830 in my desktop PC. The 830 is faster in benchmarks but there really isn't a difference in day to day use.
And apparently you don't read often enough. Did you even look at the specs of the drive before you bought it?
The write speeds on higher capacity SSDs are almost always higher than the same model with lesser capacity.
Here is a cut and paste from newegg:
32GB Crucial V4:
64GB Crucial V4...
I installed 010G on my drive when it came out in late September and it has been working just fine since then.
Did you read the warning regarding trying to use the updater on a UEFI based system? I don't know if that could be your problem, but something people should be aware of.
I have a Crucial M4 in my MacBook Pro and it has been great. I didn't have a noticeable change in battery life after I installed it, which was nice. It's a 2009 model so the battery isn't exactly in great shape.
I also have a Samsung 830 in my desktop and it's pretty damn fast. I actually...
Without knowing what your current fans are, it's hard to say. If you're using the stock fan that came with the H50, I think it is 59CFM. The Noctua looks like it pushes about 54 CFM if I'm doing the conversion right.
Ah. I wasn't really thinking about pump noise. I'll probably stick with the advice most people have given and go with the CM212 evo. The DH14 looks awesome, but it's pretty expensive and I don't really plan on overclocking.