The Sanity Inspector wrote:

Perversely enough, my computer's battery backup/surge protector was
one of the items that got fried this past time. I've had a couple of
people suggest the whole house surge suppressor, so I'll definitely
look into it. Thanks!

About $50 and dirt simple to install if your hand fits a screwdriver. It
does require opening the circuit breaker box and connecting some wires (two
live, two neutrals, and a ground).