Why would you replace the condenser and lineset yet leave the original coil?
If you're switching to 410A, the coil and metering device must be changed. Also putting a 13+ SEER condenser on an old evap coil is asking for trouble.
General public's attitude towards our energy predicament: "I reject the reality of finite resource depletion and substitute it with my own; energy is infinite, we just need an alternative storage medium to run the cars on. The economy can grow indefinitely - we just need to "green" everything! Technology is energy! Peak what?"