http://justacarguy.blogspot.com/2008/02/2008-san-diego-car-show-season.html#links for the full calendar: these are the updates...
April 26 Claremont Cruisers,
5pm First Night
4821 Clairemont Drive http://www.cncsd.org/
May 24 American Heritage Car Show,
Grape Day Park, Escondido, 9am
321 N Broadway
And I checked with Dave and Busters Special Events, they aren't having the "Curves are for Cars" Scoliosis awareness raising car show back this year. ... I was looking forward to it, as it was the only Mission Valley car show last year, and an original Reo was there http://www.sdscoliosis.com/pb/wp_41aad059.html?0.0030737249206271855