was wondering if getting a second Kingston 120gb hyper X ssd if it would increase the speed of small writes and reads and small random writes and reads
No, there won't be an increase in Random 4K Read/Write speeds.
Here's a review showing CrystalDiskMark results of a single drive and 2 drives in RAID-0:
http://www.futurelooks.com/a-quick-look-at-the-kingston-hyperx-120gb-sata3-sf-2281-ssd-in-raid-0/