I have a few favorites, they are all good though.
Check out strobe and The Veldt, both probably tied for number 1. Strobe starts out relaxing and gets faster, The Veldt is just beautiful and relaxing.
Ghosts and stuff was Joels first massive hit, that's what got him to where he is.
Animal rights is another goodie, allong with Channel 42.
If you are up for something different, Professional Griefers is awesome, really like this one.
If you go into spotify and search him, sort by popularity, there will be his great stuff.
Enjoy Dave :)

Was it Joel that suggested I'd like these guys....
If so, does he have any particualr fav tracks?

Nea