... and never looked back.

The current generation of broadband radar is just FINE, and it's 1000% better than what you have now. Waiting will just cost you more money, as you'll be buying an interim solution (charts) to prolong an inferior unsupported obsolete product, and you'll spend for the new product anyway down the road. Yes technology advances will continue, so you can say today's is "a year or two away from maturity" again in a year or two.

Also, if you're getting charts for the US they're very cheap. You can replace VNS with OpenCPN or RosePoint Coastal Explorer, and have free NOAA US charts or buy whatever International ones you want in a more "open" format that's not tied to the nav software vendor. If you get Lowrance broadband radar you'll want to invest in the Navionics SD card for your new CP, about $170 for the entire US with 1 year of updates included (I posted on that previously). You can augment one of the above software packages with any number of tablet-based apps and they're very cheap too.

I use Rosepoint and recently downloaded OpenCPN, but haven't used it yet. OpenCPN is free open source software (no spyware or ads) and supports radar on-screen overlays. However, I would never be without radar at the helm again. That's where radar belongs, IMHO, in a weatherproof package. YMMV.