Some tips I give ya:
1. Record on Fraps with 12.5, then speed it up twice on Sony Vegas (Right click --> Properties --> Playback Rate I think).
2. Pan/crop --> Select 16:9.
3. Record also with very high quality, 1280x720, and anti alias 3x. You may lagg, I do also, but if you get over 15 fps, its fine

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4. Work on the cam angles.
5. Download Dannyes Freeplay, to get better angles + change weather + time and much more.
6. Maybe download some plugins or something for Vegas lol
But it was cool for your first video.