Iced is the clear number one for me, too. The only thing I'd love to see officially supported in iced in the future is mobile apps. But it looks like that ain't gonna happen anytime soon (with the most recent PRs getting rejected once again).
The only things I don't like about this is a) your binaries will become huge and very slow to compile with optimizations enabled and b) it's dependence on GPUI and its unsure future direction (I'd like to see GPUI thrive outside of Zed but the maintainers have clarified that that's not the goal for now).