I couldnt decide, so I voted for 'both are superb'

I love Nobuo's tracks, but Jeremy Soule is my recent favourite (if only for a while) because his amazing Oblivion soundtrack blew me away!
Trust me, doesnt matter what his music was like in Baldurs Gate, listen to the Elder Scrolls IV: Oblivion soundtrack.
Especially: Auriel's Ascension (listen to this first), King and Country, Reign Of The Septims, and some other ones that might be even better.