Ok, so i am thinking of doing some minor upgrades to my computer.  Thing is i have really no idea what would speed up Photoshop (the main reason of doing this).

I know some people profess "get more memory"... but that is a stock answer.  So i suppose this is a two tiered question:

1. does anyone know how to discover what exactly might be the performance bottleneck of a computer? are there any software tools or even a set of guidelines i can get hold of to find out? (i have had a look but havent found anything promising yet)

and

2. anyone offer some advice?  (i'm hoping someone else in here wanted to speed up photoshop and has been in my postion)

I have a 2.8GHz dual core processor, 1 gig of ddr2 ram and a 128mb vid card (as far as i know)...

"In every colour, there's the light.
In every stone sleeps a crystal.
Remember the Shaman, when he used to say:
Man is the dream of the Dolphin"

Rich Meadows Photography