Hydropothecary announces expansion plans to increase production capacity to 108,000 kilograms per year of dried cannabis
4 gb of ram is so much. 8 GB is definitely overkill unless you are planning on doing something involving video. With ableton you would actually be fine with 1 or 2 gb, 4 gb is plenty.
If your computer uses the DDR2 standard, there are definitely compatible chips out there, but expect to pay more and get less: A quick search on Newegg revealed an 8GB kit of high-speed G.SKILL DDR3 RAM available for $84.99; the same amount of slower DDR2 cost $149.99.