The $5 brinks timers from Walmart have always worked well for me. Harbor Freight has a dual outlet digital timer that is identical in every way to the expensive Hamilton brand... for about $5 as well.
"What, exactly, is the internet? Basically it is a global network exchanging digitized data in such a way that any computer, anywhere, that is equipped with a device called a 'modem', can make a noise like a duck choking on a kazoo." - Dave Barry