This is an important but difficult subject. Father Z of the What Does the Prayer Really Say blog has posted a letter of Bishop Arthur Serratelli of Paterson, NJ, the new head of the USCCB's Liturgy Committee. The previous bishop was in favor of simple words. If you are interested in the subject, you can find it HERE.
Some of the Liturgy Wars debate on this issue at the June 2008 meeting of the U.S. Bishops was covered by John Allen of the National Catholic Reporter magazine and analyzed by Father Z HERE