I have just got a new ds with Smackdown vs Raw 2009 and Pokemon Diamond!!!!!!! it awesome

i have just got the gameboy advance yesterday and it is awesome i got the game tekken advance

I am getting a Gameboy Advance at Gamestop soon my friend has it and its awesome i am not getting a DS since there are not allot of good games where Gameboy has great titles nor am i getting a WII unless i win the contest Gamestop has.Please comment about which handheld console i should get DS or GBA?