Posted 11 January 2009 - 04:52 PM
Generally, they are very expensive, especially since you would probably need the same exact model. Some even have the processor soldered into them, making them cost even more.
With a Pentium 4 system, you would probably be better off just buying a new laptop for even $400 with a Pentium dual-core or an AMD Turion X2 processor that would be much superior than yours.
"I think there is a world market for maybe five computers." - Thomas Watson, Chairman of IBM, 1943