I don't know if anyone will ever come back to this old thread but I did solve this issue. Once I turned the OSD overlay feature off on the receiver the video no longer seemed affected by using the HDMI switching.
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rangler

Marantz SR6006 in 7.1 configuration
Visio XVT553SV
Oppo Digital BDP-83 blu-ray
aperion 533-VAC, 532 L/R, 534-SS surround and rears, S10 sub-woofer
scientific atlanta 8300HD
harmony 900 remote