http://www.rdmag.com/ ShowPR ~ PUBCODE ~ 014 ~ ACCT ~1400000101~ISSUE~0904~RELTYPE~PSC~PRODCODE~00000000~PRODLETT~AS.html This sounds cool ( no pun intended ) but does the requirement for cooling put a big damper on the scheme ? MA -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist