One of my absolutely favorite artists making AV right now is KOKOFREAKBEAN (aka COMPUTER JESUS REFRIGERATOR).
First, check out this amazing synaesthetic software style:
https://www.youtube.com/watch?v=Q52HV6A1RT0
Now, check out this newer style (in a ‘jazzy’ mood):
https://www.youtube.com/watch?v=jKEdVwPM2i8
His youtube channel will make you melt.
https://www.youtube.com/user/KOKOFREAKBEAN