so there is no way for me to mix the mic input and my usb mic together? without buying new equipment?

what about line in and microphone, is there a way to utilize both?

I was wondering if it is possible to use 2 microphones on the same computer at the same time. If so, how would you set this up. Currently i have a microphone that goes through the soundcard in my comp (soundblaster) and i have my mic that goes through usb (dsp-500).