Creating New Drum Set

I'm not clear on what you're asking.  you have soundfonts and you're using them in what?  a soundfont player?  where did you get these soundfonts?  are they recordings of you playing drums? 

I need more info on exactly what you're asking, please.

do you have a soundblaster soundcard?  if so, load them into the soundblaster and send your MIDI tracks to the soundblaster.

if not, does Vienna save as SF2 format?  if so, you can download a free VST from cakewalk called SFZ+ and load the SF2 soundfonts into it and use it as a VST.

http://www.store.cakewalk.com/b2cus/ProductInfo.aspx?productid=35-CWSZ1.40-20E

I'm thinking the easier way would be to buy Session Drummer for $10 and learn to use it since all the sounds are already there and it works pretty good and sounds good too.

http://www.store.cakewalk.com/b2cus/ProductInfo.aspx?productid=10-CPHH1.00-20E

JMHO.

I used to be a big SFZ fan and used a bunch of sound fonts when I first was getting started. 

Now however, the things Cake has come out with beat the fonts like a dirty mule... 

With fonts, the sounds would sometimes work and sometimes not.... depending on any number of factors. 

I quit using them after my computer crashed and I needed to reinstall everything again..... I still had them all on a backup.... but I opted to let them remain off the reformatted machine. 

I have not once missed them.