the best 2GB miniSD or microSD for that matter is the CHEAPEST one that you can grab...
those brands being mentioned, sandisk, atp, kingston, nokia, apacer, are probably using the same chip from samsung anyway...
it is how you handle the memory card that dictates its life, if you are a bit clumsy you will damage it... if your phone or card reader is defective, you will also damage it... naft said