Welcome to the forum, you'll love your VX.
I compiled a list of threads on the issue. You've probably read all/most but here's the list anyway, all in one tidy place.
My '01 with 75k doesn't consume a drop until I hit the highway for about 8 hrs straight. I change my PCV at every oil change, just because it's cheap to do so. You may have also seen the thread from yesterday and today discussing the PCV valve brand, quality, problems, etc...
Here's some of the threads on oil consumption, engine failure, polls, experience, etc....feel free to add on any pertinent threads I didn't list. Makes for a good reference to keep the pertinent threads all in one post.
EDIT: These links didn't work...I've fixed them now....
http://vehicross.info/forums/showthr...E+FAILURE+POLL
http://vehicross.info/forums/showthr...E+FAILURE+POLL
http://vehicross.info/forums/showthr...ngine+oil+poll
http://vehicross.info/forums/showthr...184#post166184
http://www.vehicross.info/forums/sho...light=axiom+DI
http://www.vehicross.info/forums/sho...light=axiom+DI
http://vehicross.info/forums/showthr...ght=iamironman
Here's the thread from Iamironman...
http://www.vehicross.info/forums/sho...ght=built+2000
http://www.vehicross.info/forums/sho...ine+swap+axiom
Several theories on Isuzu design defect in rings that causes oil consumption:
http://www.vehicross.info/forums/sho...rand+pcv+valve