when i heard nitendo were bringing out guitar hero for the ds i fort it was gonna be another expensive thing as all the other ones for other consoles are really expensive, but then when i found out it was only gonna be £35 at the most i was really happy because i think that guitar hero is alot of fun and would be fun on ds. there is not many disadvantges about this game at all, the only thing that i can think of is that it can kind of get uncomfortable after a while and can start to hurt your hand. but there are plenty of advantages to this game, first of all it is really fun and you can listen to a number of good tracks, they have got songs from bloc party, maroon 5, blink 182 and even red hot chilli peppers. another thing is that you can play it on the move and have fun any where you are. i think it is very clever how they have made it for the ds as on every other console there is an actual guitar so this is worth the money as it is cheaper then all of the other guitar heros.