I Want To start Using Mytouch as My Defualt Mp3 Player So I plan on Buying a 16GB Micro Sd Card and transfer all 10gb of music from my ipod to mytouch But I Dont Which one To Get on amazon sandisk have 16gb class 2 for $30 Buck, & Kingston Have 16gb Class 4 $30 so which one is going to give me more bang for my buck and any other sd card suggestion are welcome