Yeah that's what I meant.
I basically have four options:
1: wait, and buy new mboard, i7, and RAM, then go 64 bit
2. buy 4 * 2GB RAM and go 64 bit now
3: buy Core 2 Duo Q-series and 4 * 2GB RAM and go 64 bit now
4. do option 2 now, see if I am happy with the performance, and if not I...