Take this for what it is worth. I like to experiment with new and "better" even if it seems gimmicky, I will run it once for my own knowledge... but I have tried the Trilene pro grade flouro (not the "ICE") and it is terrible, even in the summer. It is so stiff (I was using 10lb) it comes uncoiled from the spool (spinning reel) every time I let line out (ice fishing) or cast it out (open water), and I wasn't over spooled with line either. Im not sure if this issue is isolated to just this pro grade type of flouro, or if all trilene flouro stinks.
You might want to think about trilene MICRO ICE line. I have had the most success (by far) with this. I liked it so much, when one of our local sporting good stores was clearing their winter inventory this spring, I bought every spool they had off the shelf. IT is tough, and it loves cold weather, and is sensitive, low memory too.