I must admit, the new Dell Servers look pretty cool.  But the best looking and most efficent server we have running in our datacenter is the Mac Xserve Rackmountable 1U Server or the Mac Mini Server.  We have a few Xserve servers that our customers Colo at our facility, and they are some of the most efficient servers out there. 

If you are looking for Xserve Server Hosting or Mac Mini Colocation we have a Promo Code for these super efficient servers.  Take a look at the details for $55/mo 1U Mac Colocation Hosting.  This deal comes with 1 Mbps, 1 Dedicated IP address, Power and Free Setup in our SAS70 Datacenter.