http://www.papelmedia.de/sf2/sf2_uk_index.htm
great Ahh soundfont
Churchorgan.SF2
Papelmedia_Pavel_Brochin.SF2
and more
and check SoundFont® of the month section too
Link found at news.silco.com in silco.hammersound.soundfonts newsgroup
news://news.silco.com/silco.hammersound.soundfonts