Which Sony mic? The stereo single-point mic or a mono one?
Stage recording advice... - #10 by steve for a discussion of two-microphone recording techniques.
I’ve never used this http://www.m-audio.com/products/en_us/MobilePreUSB.html but I’ve generally had good luck with M-Audio gear although others might disagree.
Microphone are another story. How deep are your pockets?
http://www.m-audio.com/products/en_us/PulsarIIMatchedPair.html $400 a pair versus
http://www.sonystyle.com/webapp/wcs/stores/servlet/ProductDisplay?storeId=10151&catalogId=10551&langId=-1&productId=11035340 for $99, versus
http://www.sweetwater.com/store/detail/KM184/ $850 each.
– Bill