As much as I'd love to take it up to say, a gig...I can't imagine being able to find 2 512MB PC133 sticks around here for anywhere near a price that I'd want to pay.
And thanks for the tip about the sub...what I'd really love to do though is get my hands on an iSub, I heard one once, many years ago....just beautiful. Pretty much no chance of getting one around these parts though.