They've been running for about 3 months with no issues. Each miner also has an aftermarket Cougar 120mm fan on the opposite end of the stock fan. It helps pull the hot air out of the system quite a bit better.

Looking to get $162 US via PayPal OR I'll discount it to .23 BTC per miner. I have these listed on Ebay as well, so check out my feedback profile to confirm I'm trustworthy. http://www.ebay.com/itm/191270652216

Shipping via UPS or USPS is included (US only please).