Yup, that micro res is meant to be put vertically, as the filling port is at the top; with regards to the 2 barbs, the top one is the designated inlet, bottom is the outlet. I had it mounted like that w/ a ziptie during leak testing, but if you look in later pictures, I mounted it to the back...
I had a 74gb raptor in my previous build, was nice for the time but now the money can be spent on those new 320gb platter drives, or the wd aaks'. That being said, I love the fast load times on my raptor 150, this is [H] after all :D
If you go with the Swiftech MicroRes, you don't need a fillport/t-line, it's got a fill hole on the top. For the pump, you want the inlet to come from your res, with the res at a higher point than your pump; from there, the outlet of your pump can go to whatever block you want first. For pics...
I just built a system with those same exact parts, minus the worm clamps (used zip ties). Working on great so far, will post some pics in the sticky sometime. Q6600 @ 3.6 + 8800gts 512. I used enzotech ramsinks.