The final specs are as-of-yet unknown, but a processor speed bump is extremely likely. If Apple wants to stay competitive, a dual core processor is probable. While iOS will take care of a lot of multi-core operations, it will be up to you, the developer, to fully optimize your app for multiple cores. Get familiar with NSThreads if you aren't already, and remember, UI operations should always be performed on your main thread.

PCWorld will have full coverage of Wednesday's iPad 2 event. See you then!

Mike Keller is GeekTech's resident iOS app developer/nerd.