Looks good . Which ripjaws did you get btw? Just my nit-picking, but some of the ripjaws are slightly, if not marginally, better than others.
You could actually go lower on the psu, getting a 650w if you don't plan to crossfire... which I hope you don't plan on doing as your board runs it at x16/x4.
I can vouch for the hyper 212+, I use it on my i5.. low idle, low load temps.
Whether an SSD drive is worth it depends on your budget and how much you value the extra time saved. I'm happy with my caviar black until SSD prices drop or there's a really good sale, though I did think about picking up kingson's m-series, which is a x25-m hiding in a kingston body. Performance-wise, they are incomparable. SSds are enormously faster. 1 legged bicyclist vs speed junkie in a m3 faster.
The new 500GB platter 7200 RPM HDDs like the Samsung F3 are faster than Velociraptors. A good SSD is substantially faster than a velociraptor, not that I am convinced SSDs have really hit their prime yet. They are rapidly improving still so I would get a good Samsung F3 HDD and wait on the next generation of SSDs (next year).
From my previous experience...CAS latency has had very little noticeably in the "real world" of computing. I was originally going to go for a 7-7-7-24 timing but figured why pay almost double and not get much boost out of it. 9-9-9 is fine for me.