Which will better , to buy an ssd like 64GB Crucial RealSSD C300 which has 355mb/s read and 75mb/s write
crucial has very impressive read speeds but very small write speeds and vertex 2 has close both , is it best to buy the read or the vertex which has close , and i will use it for gamming but mostly with programming with c#
If you are programming, you will want better "write" performance, since you will be doing more of that than read. Read performance will help in load times in games. If you have a SATA III cable motherboard, I would look at the Vertex 3.