If you are only installing one of the Microsoft Windows operating systems and nothing else, then a 64GB SATA 3 6Gb/s solid state drive is sufficient.
I normally recommend Samsung because of their proven track record. Crucial, Intel, and Plextor are also worth considering.
I maintain the ssd database listed in the sticky at the very top of this forum section. Here is the link:
http://www.johnnylucky.org/data-storage/ssd-database.html
Scroll down to the brrands and models you are interested in and follow the links