If you're thinking about throwing real money around, why not buy a used 430
and get yourself a GTX-330 and get TIS while you're at it? That's useful in
VFR, too. As for support, the GNS-430 base is too big for Garmin to not
support. But, if you're buying new, I can't see any reason to not buy the
480.

I had to buy used, never know who abused the equipment.
Would love to get the 480. Never know when I get to my destination and have to
fly the approach. Sure I can fly VOR or ILS
but some require GPS and others DME.
I have neither.