If you need quality Vocals on the go buy the Aston Halo!
One of the best inventions for a Voice Over person on the go. I set up The Halo in a narrow hallway and used a $40 used MXL990...it sounded incredible! Tons of clarity in the recording and no weird reverb/echo from the hallway. It made a $40 mic rival my CAD E100s! I was blown away.