I may have to retract what I said above:
http://www.theyeshivaworld.com/coffeeroom/topic/sem-and-security#post-533845
In the Darchei Moshe, the Rema quotes the Teshuvah of the Maharik which is the source that you don’t have to obey your parents regarding marriage. He continues to quote from the same teshuvah: ??? ?? ???? ???? ????? ??? ?????? ??????? ??? ???? ?????? ?????? ??? ????? ??? ???? ??? ?????? ????? ???? ?? ??? ??? ????? ???? ??”? ????”? ?????? ??? ??