It may be rugged but I think you will be kicking yourself for getting something that slow. And unless you are looking to spill stuff on it, drop it, sit on it, etc. that thing is overkill. If money is an issue, there are a ton of cheap refurbed dells that will suit you well.
Here is a nice example.
http://www.geeks.com/details.asp?Inv...R-12R&cpc=RESX
-Svence