I would stick with that HDD for sure, it's the best around and you can get it from newegg for 49.99 and free shipping this weekend so it's a great value.
SSD, maybe check out crucial m4 64Gb as an alternative, otherwise it's pretty nice as well.
You could check for a similar 1600Mhz kit but the one you have works fine.
Massive overkill on the motherboard with the deluxe. Unless you need all the candy on the deluxe. Check out the P8P67 Pro version, i think there is a combo deal with the 2500k, you can get it for 379.98 or something total - a nice $20 off on it so basically you can get that close to the same price as the asrock. Both are good choices. Link to i5 2500k + P8P67 Pro $379.98
Looks good in general, just select the mb and i think you should be set.