Jim publishes TechnoFile Magazine. Jim is an affiliate with the Automobile Journalists Association of Canada and his careers have included journalist, technology retailer, video store pioneer, and syndicated columnist; he does a biweekly column on CBC Radio One's The Business Network.
The projector offers big capabilities for that small price and even smaller footprint (the whole unit is about one quarter the size of my admitted much more high end projector)
The ZAGGkeys is probably the most flexible, unless you want to get the iPad Air in and out, in which case it gives up a lot of its advantage to the iHome.
Don't worry excessively about minor differences between Computer A versus Computer B: go for the one that, everything being equal, offers the best deal.
I never expected to like this Cherokee nearly as much as I did, so kudos to Jeep, Chrysler and/or Fiat - whoever's responsible for this excellent entry into a crowded field