If you want to know what the real and the weird are saying about the sludging problem you can go to these sites. I'll add more when the Advil kicks in that I just took from reading some of them.

Automotive News article 4/3/02 & 2/8/02

The Complaint Station

Edmund's Town Hall

Once you enter Edmund's go to Town Hall/Maintenance/search for engine sludge. You will see that other makes have the same problems.

The Auto Channel

Lemonaid Cars