For classics check out the streetsounds jazz funk comp on itunes, the mastercuts comps are good too. Will yt clips later. My all time favs are:
Bob james nautilus, mardi gras, westchester lady
Grover washingto jr
Blackbyrds
Donald byrd
Dexter wansel
Funk inc
Mandrill
Bobby humphrey
Maceo
Early kool & gang
David axelrod
Ramsey lewis
Cannonball adderley
Johnny pate
Bernard purdie
Eddie henderson
Normon connors
War
Ronnie laws
I could go on
New stuff from max graef is interesting, bit housey.
If you want dig deeper then check stuff on ubiquity, stonesthrow, jazzman, finders keepers, trunk etc.