While you're thinking, here's a coupla things to chew on......
I realize you're just 'upgrading" the old fuse panel,
but there are certain things you should be aware of,
especially if an inspection is forthcoming.
First, 10GA feed is only good for 30 amps,
(and less if a long space between main panel and garage)
Considering the distance (?) it might be a wiser choice to have
a 'main breaker' panel in outbuilding.
Here's a good pic I've posted before, of what's required now (for code)
4 wire, buried, and external ground at outbuilding just for some.