Here are links that we like:

Bands:
David Crowder Band (www.davidcrowderband.com)
Chris Tomlin (www.christomlin.com)
Charlie Hall (www.charliehall.com)
Todd Fields (www.toddfields.com)
Mute Math (www.mutemath.com)
722 (www.722.org)
Matt Blair (www.mattblairmusic.com)
Steve Fee (www.stevefee.com)
Hillsong United (www.hillsong.com/youth)

Resources:
Worship Resources (www.worshiptogether.com)
Loops/Beats/Electronic Instruments/Geekiness (www.bwacksforum.com)