Coby,
This might be a little bit late...
One good resource for general information on Units, their activities during the Civil War and listings of Soldiers assigned to units is the Civil War Soldiers and Sailors System...
http://www.itd.nps.gov/cwss/index.html
I've used it to get me in the ball park doing First Person Research and then used the info from it on ancestry.com to drill down further.