Definitely. Spacing your videos out over a period of time helps your videos get more views. I've scaled back from posting daily because of that reason.
I'm aiming for at least one upload a day, now I'm fairly small so uploading so much will help me grow although I do think doing so many videos does impact on the quality some what. I'm putting in around 30hrs a week so I hope the hard work helps
So how often do you upload?