I agree with Katy. I have the 1588 Hova bator with electronic thermostat and auto timer. I hatch 40 eggs every 8 weeks and I'm quite satisfied with this set-up for now. Try these sites,I use them regularly.
www.cutlersupply.com
www.strombergschickens.com
www.dblrsupply.com
www.cutlersupply.com
www.strombergschickens.com
www.dblrsupply.com