Guy's sorry that I missed this thread. I was in Hawaii when you were asking questions. If you still haven't installed your stuff yet, I'll add the following.
The Shape:
Gauge placement is a total preference. I am still adjusting to having my gauges down there, but I can see them just by clancing over at them. The gauges are big enough to read while driving. So far, I love them!
OneFstsnake.
My fuse is also wired into the 12V source from the radio. It should be fine
Getusummm:
Have you done this gauge install yet?
Just an update on my work over the winter: Today I spent the afternoon installing my brass 3 core radiator and some pullies from BBK. It was a great day!