I do room only because I don't want a dining plan, don't care about any of the other extras, and, as others have said, RO can be cancelled closer to the trip without penalty. For 2012 and 2013, I bought my park ticket through
Undercover Tourist via the MouseSavers newsletter link for a little savings. For 2014, I bought online from WDW because of reports of issues linking the
UT tix to
MDE, but now that that appears to have been resolved, I'll probably be going back to UT.