I noticed that Costco.com is selling the CR Spotless for $60 off, so $370 shipped, and it includes 2 cartridges and 2 resin refills.
I thought some of you might be interested... I'm tempted but my wife would rather put that money towards a whole home softener with a hose bib for car washing.
335xi sedan 6MT, Premium, Cold Weather, iDrive, CA, iPod
Black Sapphire Metallic, Black Leather, Aluminum Trim
European Delivery: April 28 - May 7, 2008
Performance Center Redelivery: July 11, 2008