If aesthetics is not important, a very good question to ask is - how good
are you with power tools?  Else, heavy steel boxes are expensive to ship :)

-- 
http://www.glumbert.com/media/shift
http://www.youtube.com/watch?v=tGvHNNOLnCk
"This officer's men seem to follow him merely out of idle curiosity."  --
Sandhurst officer cadet evaluation.
"Securing an environment of Windows platforms from abuse - external or
internal - is akin to trying to install sprinklers in a fireworks factory
where smoking on the job is permitted."  -- Gene Spafford
learn french:  http://www.youtube.com/watch?v=j1G-3laJJP0&feature=related