Two more big companies have joined the flurry of sales popping up around Valentine's Day next week. Sega has jumped in with prices dropped on plenty of its titles, from US$2.99 down to 99 cents. Capcom has also joined the holiday celebration, bringing Street Fighter IV down to the incredibly low price of just 99 cents. As crazy as these deals are (and they are crazy, even though we saw lots of them in one form or another over the holiday season last