I brought a 64 bit dewsktop just beacuse it was ' future proof' on reflection though i have seen no benefit apart from paying extra for it.
64 bit windows is due sometime & if it is a moderate priced upgrade I might give it a go - if it's a mega bucks I will stick with what I have.
If prices are the same go for it - if it's at a premium then I'm not so sure.
The other thing is that specs move so quickly that my future proof machinf isn't as future proof as I thought - PCI express has come out, mine's AGP - ever faster processors and as yet no 64 bit programs so I don't know if i did the right thing or not ?
Doesn't seem any quicker to me ...