Lets see, VFR plane, flying in VFR weather...
At some point you can get so much electronics going that you might as well just fly a Bonanza or 210... so consider why you are using them?
Bill goes for big trips every year, and saves lots of fuel with his GPS. Reality is it saves $$$ for charts also. Beyond that, what are you doing with it? The IPAD will have newer information than a panel mounted GPS and cost a whole lot less. Do you really need it, or using it to help with other navigation (pilotage)?
Pretty funny hearing about iPad having heat issues... the weather I thought about was cold. Mine did fine on a 4 hour flight with no aux power, temps around 10 degrees. Not much heat in a beaver, and that one had some drafts also, so inside temps were COLD.
If you are staying close to home, do the iPad because it will cost you much less.
No opinion on adsb, I am not coming to Anchorage is my solution.