Honestly i wouldn't drop another dime on a PC that needs DDR ram.
but on to your question, you couldn't find ram anywhere cheaper then
http://www.newegg.com/ (for the most part)free shipping and no Tax, unless you live in California.
id personally suggest this ram
http://www.newegg.com/Product/Product.as...-_-Product
1GB as its is cheaper then buying two 512mb stick's.
but if not then look around here.
http://www.newegg.com/Product/ProductLis...ageSize=20
Now for the SSD, SSD are about as far from cheap no matter who you buy them from. 120gb can range from 200-300+ dollars easily, as of the moment the best SSD manufacture is OCZ and there cheapest 120gb model is this
http://www.newegg.com/Product/Product.as...6820227543
P.S this was written under the assumption that you live in the U.S.A as Newegg.com only ships to U.S citizen's.
(Edit) checked real quick and they also have a Canadian distributor
http://www.newegg.ca/