I like drum and bass, breaks, house, techno, downtempo, hip-hop, jazz, and a little bit of rock. Here is a small representative sampling of artists from each category. I've put asterisks by artists that may not be suitable for all ages.
drum and bass:
High Contrast
Roni Size*
Cyantific
Landslide
Dieselboy*
Concord Dawn
Calibre
Hive
DJ Fresh*
Pendulum
breaks:
Elite Force
Hybrid
Drummatic Twins
Orbital
DJ Icey
Paradigm Shift
The Crystal Method*
The Prodigy*
Quantic
Adam Freeland
house:
Grandmaster Flash & The Furious Five
Way Out West
Daft Punk
Sasha
Basement Jaxx*
Trafik
LCD Soundsystem*
DFA*
Norken
Groove Armada*
downtempo electronic:
Thievery Corporation
Zero 7
Quantic
Bonobo
Lux
Autechre
Hexstatic
Lusine
Moodswings
DJ Food
hip-hop:
Pete Rock (including his collaborations with CL Smooth*)
Herbaliser
Dabrye
Prefuse 73
Coldcut
Roots Manuva*
The Streets*
Dan the Automator
Ming + FS
Knowdaverbs
jazz:
Praful
Skalpel
Projections
Willie Bobo
Orquestra Del Plata
Campo
Astrud Gilberto
Up, Bustle & Out
Nina Simone
Supervielle
rock:
Dragonforce*
The Who*
Deep Purple*
The Deftones*
Rage Against The Machine*
The Doors*