We have Dells and are battling memory issues. Their cheap motherboards will only take 16G of RAM. That turns Eclipse on a Virtual Machines for Groovy/Grails development into a real problem.
Dell makes great servers.
I have a couple of Dell PowerEdge servers still running great that I bought back in 2004. The only reason I am considering replacing them is I’m virtualizing my whole environment and need more powerful components that any vintage 2004 server could possibly provide.