No Plastikman mentions yet? Well here you go:

https://www.youtube.com/watch?v=OUl43l71rEM

https://www.youtube.com/watch?v=UIvM1Zgj0AI

https://www.youtube.com/watch?v=fDBcxEMHNMs

Paranoid London has been doing great stuff the last few years as well:

https://www.youtube.com/watch?v=rcgY7JNOMks

https://www.youtube.com/watch?v=iUQjXUsgZ5E

https://www.youtube.com/watch?v=Qd4O9cLvBgw

https://www.youtube.com/watch?v=3uh1GZifkT0

And this old Roy of the Ravers track is maybe the best acid track I've heard in a while (thanks Aphex Twin Field Day set):

https://www.youtube.com/watch?v=eqj_R4xCvN0