re: Best home gym selectorized equipment

Start with a really nice rack, bench, full set of dumbbells, kettle bells, lay pull down/low row, functional trainer, ghd/reverse hyper combo

From there look at the “cost no object” list on bodybuilding.com

As far as manufacturers

Elitefts
Rogue
Sorinex
Rep
Bolt
Legend fitness
Prime
Arsenal
Roger pendulum line
Power lift
Hammer strength
Panera

Look on that thread though, doctor out of Miami travelled the world trying out equipment, anything on that list is A++