Timbres of Heaven Soundfont 2.0.2
I just wanted to point out to people this excellent sound font because I feel It deserves to be mentioned here. In my experience, it is very well balanced and put together. It is GM, GS and XG compatible and includes quite a few sound effects. In my opinion it is an excellent general purpose soundfont and I already replaced my system's default Sound Canvas set with it (Personally I think it stomps the FluidR3_GM set). It's a 250mb download (319.6mb uncompressed) which makes it a little large to be incorporated into the base install. But it definitely should be mentioned on the website. Also, make sure it's that full size when downloaded, as I have heard some difficulties when downloading from it's site.