the crucial ram price is a better price. I'm waiting patiently for it to drop to $35. I might be unreasonable, but I'll wait and see.
But I'm willing to be patient and wait until Snow Leopard to come out. Hopefully the iMac and Mac mini will be refreshed so the entire line of Macs (except Mac Pro) and hopefully PCs will be using DDR3 so demand goes up and price will go down
For me, 2gb is good enough, but i will be very careful in running VMware Fusion.
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don't forget that MacSales (or OWC) will buy your old ram if you buy from them. it'll probably save you $10 or so, but who else looks for 1gb sticks when 2gb is standard across the Macbook lines.