Don't shop for boots. Shop for a bootfitter. A good fitter will look at your feet for length, width, height, flexibility, ankle & lower leg length & size, and pick the boots for you. The fitter will (should) ask how you want to ski when you're back up to speed, not how you ski now. An excellent boot can come from any boot brand, but some might offer you a better fit.
All the binding brands are very good; there are four big binding makers with multiple brand labels. They don't need to match the ski brand, but often they're sold together with skis. New skis will be much shorter than what you used to ski for your height, weight, and ability. Don't buy too long--too long by modern standards, not by your old standards--they'll be too stiff and hinder your advancement. This tells you what skis will probably work well for you: Ski selector
Pick the type of ski that will be best for wherever you will ski the most. If you can find a pair of good used demo skis from a shop at the end of the season, and they're just right for you, they're probably a bargain. If you're out west and there's a big powder dump, rent skis.
All the binding brands are very good; there are four big binding makers with multiple brand labels. They don't need to match the ski brand, but often they're sold together with skis. New skis will be much shorter than what you used to ski for your height, weight, and ability. Don't buy too long--too long by modern standards, not by your old standards--they'll be too stiff and hinder your advancement. This tells you what skis will probably work well for you: Ski selector
Pick the type of ski that will be best for wherever you will ski the most. If you can find a pair of good used demo skis from a shop at the end of the season, and they're just right for you, they're probably a bargain. If you're out west and there's a big powder dump, rent skis.