I didn't mean to hit the "post" button on the above response. Well, as long as I'm posting, I would enthusiastically second the notion of subscribing to Chip Chat. There are far worse ways to spend $75 in this hobby than to get all 25 back issues of Chip Chat if you've never read an issue. Doug (I think) will happily send a free current issue if you'd like to see what Chip Chat is all about.