Silvan writes:

On this topic though, I still can't decide how to properly handle things
like "He got straight A's" or similar. Gut says apostrophe for
pluralization is *always* wrong, but "He got straight As" just doesn't work
either. Best avoided as much as possible.

Apostrophe is wrong. The second choice may look wrong but it's right.

Charlie Self

"Man is a reasoning rather than a reasonable animal."
Alexander Hamilton

http://hometown.aol.com/charliediy/m.../business.html