Depends what you like but my routine when I was working fulltime was like this:
All forums btw
Morning:
buffaloscooby.com
roclife.org
nyspeed
controlledlabsforum.com
forums.thecarlounge.net
Afternoon:
thegearpage.net
forum.grailtone.com
forums.Birdsandmoons.com
tdpri.com
forum.nasioc.com
harmonycentral forums
popurls.com
theres a whole bunch of other random sites but those were the staples…