My mom and dad are looking at getting a iPad to complement their iMac. (they are mid 70's) Simply for web surfing, emails, etc. This would be in the kitchen, family room usage. We like the iPad keyboard dock, but why is there not a trackpad with them? That would make it a mini MacBook almost. Typing real keyboard is nice, but then having to move your hand onscreen seem not so fluid. Anyone know a keyboard/dock with trackpad available?