Is the plural of the electronic mouse "mouses" or "mice"?

word-choice grammatical-number

Both plurals are correct. (Merriam-Webster.) I don't have access to Oxford English Dictionary at the moment (or don't know where to find it), but according to Answers.com, the OED concurs. So use whichever one you wish.

Related

What's the difference between latch and lock?
"Begs the question" or "Raises the question"?
Is "Should be *ing" a valid English phrasing?
What is a "clout"?
What's the difference in meaning between "I never would have thought..." and "I never have thought..."?
Where did the expression "to up the ante" come from?
A pedant's plea for a proper pun
What is this an example of: "a napron" becomes "an apron"? [duplicate]
"Thank God" vs "Thanks God"
"Skipping rope" vs. "jump rope"
How to correctly express “I don't like it too”?
What is "Oki-doki" or "Oki-dokie" or "Okay-dokay"