iPad also doesn't ship with stopwatch/timer/alarm like the iPhone does. The lack of these Apple apps is always sad to me.

iOS 6 brings those over (at least on the iPad 3, presumably because it made more sense than #ifdef'ing those bits out of Siri). I keep meaning to just write a non-crap Android stopwatch, because using my iPad as a 10" stopwatch is just silly.

Google Now has a timer built in

Sadly not, as its "timer" is actually just setting an alarm for x minutes later. That also means that you lose precision of seconds. If it's 5:22:36 and you tell it to set a timer for 10 minutes, it'll set an alarm for 5:32:00, not 5:32:36.