Here is the computer I have now
http://www.vprmatrix.com/products_desktop_FT4100.asp
The stores are telling me it can not be upgraded

I do not know anything about the in side of a computer.
I thing I have two many CAD programs on it for one

I took 4 programs off last week.I just upgraded Punch last night
it took doubled the space.The book said I could add 3 more hard drives

Could some of you good people look at the Web page and tell me if there is anything I can do to upgrade it.Even if I could just upgrade for e-Cabinet. I was thing of took off some of the program and just leaving on e-Cabinets and SoildBuilders , Punch on the computer
Thank You Thank You
George