Hi again cb,
The only way to mount a VP150 or VP100 to the wall is with the Axiom Full Metal Bracket, which has a bolt that screws directly into a recessed threaded inset on the rear panel of the 100 or 150 so you don't have to drill holes into the speaker's back panel. The bracket brings the speaker within a few inches of the wall behind it, and it tilts up or down so you can aim the center speaker towards the listening area if it's above or below the video display.
In terms of tonal balance, you can certainly mix the W22s with a VP100 or VP150 center rather than use the in-wall/on-wall W100 or W150, which require cutting a hole into the wall, as does the W22.
Regards,
Alan
