As it has for several years, the 1994 Honda Accord retained its title in 2011 as the nation's most-stolen vehicle in the National Insurance Crime Bureau rankings. The rest of the top 10 looked familiar as well, with crooks maintaining their preference for imported sedans, Detroit pickups and the occasional minivan. Yet this year's list comes with a warning: After a decade of losing targets to electronic deterrents, thieves are getting smarter.