I have just bought a new iMac. I then downloaded the latest SDK 5.0 and installed XCode 4.2.1. Everything is working fine. Though I realized that there are only iPhone and i
If Xcode doesn't show the wanted simulators you'll be able to download older xcodes from here: https://developer.apple.com/downloads/index.action?name=Xcode
For example:
You can find the Xcode application inside the downloaded .dmg
Restarting Xcode will show you the new added simulators
Happy building & testing!
Update:
Tested in xCode 6, working there as well