http://max.stablehash.com/

Features:

48GB DDR3 ram + Xeon 4/8 core processor
2TB HDD + RAM memcache
160 Gbps DDoS mitigation
99+% efficiency
99+% uptime
PROP 1% fee
VARDIFF
Commitment to uptime and stability
IRC chat

Next 15 miners that post username below will get 0% fees for life