I found a usb temp/humidity sensor for 30.00 used/shipped and works pretty well. Their are alarms you can set if the temp / humidity gets to low/high, it works pretty well.
if anyone else is interested, here is the link:
http://cgi.ebay.com/Digi-Watchport-...656?pt=LH_DefaultDomain_0&hash=item335cf0ee78
if anyone else is interested, here is the link:
http://cgi.ebay.com/Digi-Watchport-...656?pt=LH_DefaultDomain_0&hash=item335cf0ee78