Everyone is looking for the promised land but I don't know if anyone really finds it.  For years folks have reported here that Drake was the promised land when it comes to support, but it sounds like that isn't necessarily the case any longer.  

For me, the biggest gripe I have with ProSeries is the time lag between when a bug is found and when it is fixed.  In prior years the lag was short but the last couple of years the time lag had grown.  If you decide to travel down the ProSeries path the best advice I can give you is check in here often.  When bugs do hit, the issues usually do show up here early on.  Good luck on whatever direction you choose.