I saw a PCR machine called something like oven in a catalogue, very much similar to your concept. Can't remember the name of the company, but not Idaho. Song Weining Leslie Research Centre 13 Holberton Street PO Box 2282, Toowoomba, QLD 4350 Australia Phone: 61-7-46398880 Fax: 61-7-46398800 Email: weinins at dpi.qld.gov.au ---