8008
My advice would be to pass on expensive machinery. I have used various devices and feel fortunate that they belonged to other people and I was able to BORROW them. I give them a bad review, generally.
Then you want to build up your intelligence through use. Find yourself some good creative and lateral thinking processes and work them experimentally until they are a natural way of processing for you. Image Streaming is supposed to increase "IQ" by a point for every 90 minutes that you work it; although I have not really worked with this, so I can not PERSONALLY endorse it.
Save your money.
Zero
Telesis Foundation for Applied Memetics
http://telesis.veindance.com
CHAOSMOS: The Product is The Process
http://www.angelfire.com/biz2/ubergoo/chaosmos.html