A couple questions...
1) Does a GNS-430 have DME built in? i.e. If I don't upgrade the GPS DB
can I still fly a VORDME approach off the 430's VOR? (I'm trying to
decide if I should keep my DME)
2) What is really the requirement to install an IFR GPS? What rule
(FAR) actually prohibits an A&P from approving a 430 for approaches?

-Robert