If you haven't seen our online forums yet, point your browser to www.jlconline.com and click on Forums. You're welcome to browse — or, better yet, join in the conversation yourself. Here are excerpts from recent message threads. — The Editors Power Sander Pros & Cons •Posted by Chad: I've got a Porter-Cable drywall sander that leaks black grease at the bottom of the flex shaft. After a short trip to the factory-authorized service center, I was assured this is normal and will stop when the grease level balances out. Well, that's fine and dandy, but it's still slopping grease on my fresh drywall. Has anyone else had this problem? Did you