The smartphone game has gone from pocket-friendly devices to phones that'll stretch your denim. And the leader of the phablet pack is Samsung's Galaxy Note II. With a massive 5.5-inch display, this phone makes quite the impression. But Samsung does a lot with this size, including enhanced S Pen functionality, quad-core power and a battery that can last all day. But at $369 on T-Mobile's HSPA 42 4G network, is the Note II worth the cost?