Be sure to check to see if QBO has the functions you rely on in desktop

a non partisan comparison of QBO vs QB desktop 
http://onsale-apparel.com/Rustler/qbo-or-qbdt 
(cost comparisons are at the end of the article)

Someone suggested using condense, if you try it and if you are successful, be sure to run all pertinent financial report before and after and compare them - 100% accuracy is required. (that happens about 60% of the time)