SANTA CLARA, Calif. -- It's time to dust off the NFL cobwebs with the San Francisco 49ers' bye week now in the books. The 49ers are 6-2 and have five straight wins going into their home game against Carolina on Sunday. Here are some things to watch for this week:Smith's progress: The big story of the week, and perhaps the second half of the season, will be pass-rusher Aldon Smith. He was activated during the bye week from the Non-Football Illness list.