We recommend you test your autosomal DNA at 23andMe for $99, then upload your raw data to FTDNA for $69. This is the most economical way to get your DNA matched on two databases. Instructions to do this transfer can be found HERE.
A recent blog post by Roberta Estes gives a good overview of working with 23andMe. It can be found here: Navigating 23andme for Genealogy