The Art Department is on sale again, offering all of their downloads for $6.99. This is a great deal, especially considering some download originally cost $60. I haven't been very diligent with reviewing the tutorials, but here's a list of the tutorials I've done quick reviews on:
I highly encourage you to give these videos a shot. While there's a lot of free stuff out there on the internet, these are some finely made videos that really helped me along with my artwork.