Originally Posted by lrdx

I don't really think this is true, you can never have enough +heal. If you hit the roof, and all your heals start overhealing, just downrank. You can spare more mana by stacking +heal (or haste or crit), than stacking INT or MP5.

My spreadsheet (https://spreadsheets.google.com/ccc?...gD7CnjHWGWBbNg - use file -> copy table to fill your values) is a bit different than the big theorycrafters' here, but it says about the same: +1 heal is worth ~0.4 MP5, while 1 heal is 0.455 item point, and 1 MP5 is 2.5 item points.