Plextor make fantastic drives. I am currently using their 256gb version in my rig right now. It is rated as one of the top 5 drives you can buy. Recommended!
Pretty much all SSDs are quite stable, and yes, it's decently fast.
It shouldn't be extremely expensive. If it is, there are better options - if it's a good price, go ahead and buy it.
Storage:Samsung 840 EVO 120GB 2.5" Solid State Disk ($99.99 @ Amazon) Total: $99.99 (Prices include shipping, taxes, and discounts when available.) (Generated by PCPartPicker 2013-09-24 14:58 EDT-0400)
Plextor make fantastic drives. I am currently using their 256gb version in my rig right now. It is rated as one of the top 5 drives you can buy. Recommended!