Ice/, which is already a pretty strong set, can certainly be made even tougher with IOs. If end game is where you're having issues, I might suggest aiming to hit 59% defense for S/L/E/N with one use of a full Energy Absorption. It shouldn't take much investment, and that way you're soft-capped for Incarnate content. After that, aim for as much S/L and Fire resists as you can work in and any Psi (not so easy) as well. Sprinkling on recharge where you can after that.
I'm at work, so I can't pull up Pine's to slap together any recommendations, but I would strongly suggest getting comfortable with Pines just because you're more likely to do better with a tool you know. Also, not knowing your secondary, I wouldn't be able to begin.
I'd recommend this Resource for set bonuses. It's a pretty handy one if you find Pine's a bit difficult to sort through.