Analyst Shaw Wu with Kaufman Bros. says that while Apple is likely taking a hit by giving away free cases and bumpers to iPhone 4 buyers (and the company is even extending the offer after the deadline to anyone who calls AppleCare), the program will likely be a win in the long run. Obviously customers appreciate getting a free case (and a "fix" for the "antennagate" issue), but Wu says that even shareholders will benefit. Apple has set aside $175 million for the case program, which sounds like a lot