You are correct that this is done primarily for profit margins. 
However, if you buy a mid to high end PC from Dell, you should get a
power supply that can handle a few more items (one hard drive, or a
few cards, etc).

If you buy the low end PCs (or worse, the rock bottom cheap PCs) then
you are going to get exactly enough to run the system until the
warranty expires, and nothing else.

-Adam

On 1/3/06, John Nall <jwnall@gmail.com> wrote:
> After having two different Dell computers have power supply problems
> recently, I have come to the belated conclusion that Dell is just not
> furnishing hefty power supplies (any more).  I say "any more" because in
> the past, I have felt free to add things on to Dell computers and had
> nary a problem.  But apparently now they are running at the ragged edge
> with  the power supply -- presumably a profit margin sort of thing --
> and while what is shipped runs fine, adding a bit more constitutes the
> straw that breaks the camel's back! :-(
>
> I suppose this is good for the books, but kind of shakes my faith in
> them.  Back to rolling my own, I guess.  :-(
>
>
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