[Q] Recommend a near-stock ROM for 4.4.2+ and more topic

Hello,

I have a stock Rezound at 4.0.3.
I would like to get it up to 4.4.2+ to run a specific app.

I've rooted a couple of phones in the past but never flashed a ROM and never an HTC.
Can someone recommend a stable, near-stock ROM and an outline of the processes?

Thanks