We all love a variety of nice fonts, don't we? However most times it comes in more than handy to have about ten fonts you're familiar with and that work well in multiple situations such as kinetic typography or 3D applications. If you're still looking for your favorite ten check out this roundup because it'll give you collection of my favorite FREE fonts for Motion Design (apart from Helvetica Neue :D )
Hegel Ultra Light
Last but not least one Bonus Font for Super-Retro Style Typo!