I've been dealing with a TV arts doc shot on multiple cameras of all qualities and file formats.
We evolved a way to organize the media for "watch and categorize once, find later".
That's not what you need.
I would suggest reading about " Focus" the feature that was cut on FCPX. There's a few articles floating around and I think a white paper for sale on Kindle.
Depending on a number of factors (budget, camera,drives, basic editing system etc) you'll want to at least get a handle on the way FCPX stores media inside and outside of Libraries.
Keywords really make things fast and accessible if you put a bit of forethought and organization in before you get started, although if you do the basics first, we've found that you can continue to add information about good takes and interesting hidden gold even while you're in the edit and it all references back to the source clips in the libraries.
Number one though, get your head around the different terminology and try to avoid fighting the way it wants you to work. You CAN kludge it to be more like a trad track editor but there's gains to be made by letting it's paradigm work for you.
ak
Sleeplings, AWAKE!