Are the commands for Inventor Fusion the same as Inventor LT or Pro? Or is it a completely different program? Not much info out there on Inv Fusion.
Inventor Fusion 2013 is a completely different program from Inventor LT and Inventor Pro. Rather than using parametrics and history driven design like Inventor Pro, Inventor Fusion is a 'direct' modeling program
Here is a link to the online help for Inventor Fusion 2013:
You can find links to videos and pages that explain the commands and how they function.
You might also want to check out Fusion 360 in case it's more like what you have in mind. This is very new and also completely different.
HP EliteBook 8560w Win 7
13" MacBook Pro, mid 2009 OS X 10.8.5
Yes Inventor Pro might be overkill.
I would lean towards Fusion 360. It's newer, has motion simulation, better visualization, organic shape definition with T-Splines, and is based on the technology of Inventor Fusion anyway. It's also free for what you wish to do.
The modeling portion is local and has an offline mode. The data is stored in your personal hub which is cloud storage. You can download the data any time - for prototyping or other downstream workflows.
There is a ton of information about it on the Fusion 360 community page including learning resources, command reference, forum, and a download link. Over a good connection it should stream to your computer in a couple minutes. It runs on Mac or Windows.
Thanks and I hope you find the tools you need for your job!