Originally Posted by kimconyc

It will be cheaper to get a 34T inner chainring (assuming you are using Shimano or SRAM and I read correctly that you are using a 36T inner ring) rather than get a new cassette. Plus, you will not need a new chain.

You will get comparable gearing (although the "feel" is subject to your fitness level) to a 32 cassette by just getting a 34T inner ring and using your existing 28 cassette.