Well I finished up the angled surround Volt V10s over the weekend. Glued up the enclosures (minus the front baffle) on Thursday. Assembled and mounted the crossovers, drilled the holes for the terminal cups, glued on the front baffle, and sanded on Friday. Painted the Duratex and installed the drivers on Saturday.
I hooked them up as my LR and listed to some music for about 30 minutes. They were sitting on top of my 228HTs, which actually made the angle about right for aiming down to the MLP. My initial impressions were very good for the cost, although I definitely think they lack some of the detail and sound stage of the 228HTs for stereo listening. Granted I just plugged them in and ran no calibration or distance/level settings (which means the Audyssey applied to the 228HTs could have affected the sound of the V10s).
I will try to edit this post later and add in some pictures, etc. I decided to mount them both on the rear wall facing forwards, which seems to me to be not ideal. I think most of the sound is traveling over the MLP back towards the middle/front of the room. I may move them to the left and right walls so they face towards the MLP more, but in this configuration they would not be equally spaced. The SL would be about 1.5' in front of the MLP and 5' to the left. The SR would be aimed straight at the MLP and 5' to the right.