We have purchased three different guitar hero world tour wireless guitars for the ps3 and all three of them have had problems with them. The first one was all scratched up and you only had to lift the guitar just a bit and the star power kicked in, sometimes automatically kicking in. The second guitar you couldn't get the star power to kick in and the strummer would randomly strum or do a double strum. This third guitar the red button sticks and the strummer is loose. For having to pay $70 for a second guitar it is very disappointing the... read full review »