Now that I have my 990 all set up, I went and looked at the distance settings from using the auto setup with the microphone. Surprisingly, when I changed the feet to meters, the distances were set in increments of .1 meters! Too bad the manual adjustment is still in increments of .3, though I see no reason to not have included .1m.

I'm still waiting for some time to sit down and spend some movie time with the new system. So far, it makes for a really nice setup.
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Current Setup:
Samsung HL61A750 LED DLP RPTV
Marantz SR5004 AVR / Outlaw 7075 Amp
L/C/R: Ascend Acoustics 340M/C/M
L&R Surrounds: Ascend Acoustics CBM 170
SVS 25-31PC
Panasonic BD55K Blu-Ray Player
Dishnetwork VIP722 HD/PVR.