HI MAN! Yes...in Manali there are a lot of parties... When ypu arrive the best thing to do is sleep in Vashisht and take a rischaw until old goa that is the centre of psylife. there is a good shop of music, you can ask there.
In this summer i will be in the south... and i planned a relaxing fullmoon in goa. Anybody in anjuna too?
Enjoy your stay man... BOOM!