As a relative "newcomer" to the Singstar revolution, I thought I would share my views for anyone else out there who, like me, weren't even aware of this kind of game!
My son owns a PS3 and during the half term some of his mates came round with a couple of microphones and Singstar Vol 1. What fun! soon the kids were pushed off so the adults could have a go!
Basically this is a karaoke game, but with points awarded for the best singers. Each track is accompanied by the offical video of the original artiste and there are different modes such as battle & duet. I understand that there have been THREE official Singstar releases (imaginatively titled Volume 1, 2 & 3 respectively!) plus a POP version together with various "specialised" groups (ie. Queen, Abba and a soon to be released Beatles)
Once the disc has loaded up (quite a long loading time compared to other games) it also gives you access to the "Singstore" where there are over 700 titles available for 99p each. So initially you will need a least one singstar game disc to be able to access the store but after that technically you won't need to buy another offical disc as you can simply buy songs individually rather than these "compliation" discs.
Now Singstar (Vol 1) contains 30 songs and because it has been out quite a while chances are you can pick it up quite cheaply making it good value. Think of it like the "Now that's what I call Music..." CD's; if you like more than half of the songs on here then its good value for money, but like the aforementioned CD's there are always going to be tracks you hate plus those you never heard of. Chances are however when you start playing the disc there are a good few songs that you THOUGHT you had never heard of but then you will recognise them immediately after a few bars! (The Fratellis track is a good example of this!) There are still some questionable song choices though; eg "Toxic" by Britney & "I don't feel like dancing" by the Scissor Sisters....I know these are great tracks but for karaoke?? seriously??? could YOU sing along to "Toxic"??? (but perhaps that is half the fun!)