hello everyone. how goes it? i'll just right to business

i am about buy a Motorola v60 cellphone on amazon.com and a little confused my a TDMA and GSM compatible phones. I don't know which one is better and which one is not does anyone knows?

http://www.amazon.com/exec/obidos/tg...692179-7739321

the first two in the list. they are both the same but one is TDMA and other is GSM.