Don't forget the CPU slot. 'My Amiga is too slow!
Oh, there's a new CPU board. Purchase new board, comes with oodles of ram, all 32 bit, 64 bit processor! Overclock it. Start computer with new CPU and 2 hour Lightwave renders now take 30 minutes!
PC manufacturers need to be reminded of this feature. If I could upgrade my current machine this way it would be great.