Hi guys! I have 2 RIGS (7x Radeon HD 7990) = total 1.8GH/s

• Max temperature: 70'C
• Rejected Shares: 0.01%
• Hardware Errors: Always 0!
• Location: London, UK

Monitoring (30 sec): http://cgminermonitor.com/Shared/9a69364e7a8749cebcc40bfa63a8951f0

Who want to rent it for 0.05BTC/day?

http://i.imgur.com/TnU60ct.jpg

BTW
Luffa-512 use 25% power (Watt) than X13/X15 algorithm