Written without the accents I thought it was way too similar to the normal Benedict, but with the accent marks it's actually quite pretty. I like Imogen Therese Benedicte best simply because I like Imogen and Therese so much :)
To listen to the pronunciation, you could try here:
http://www.sos.mo.gov/wolfner/SayHow/?id=t#guide (under Tarango), I couldn't get it to work but you may have more luck.