The main thing I like about a new toolbox is they make a lot of lower and wider ones now.
My old ones are stacked, so the top drawers don't do me much good because the stack is almost 6 feet tall so I use the upper drawers for seldom used items since I need a step ladder to even see that stuff.
I'm pretty happy with my. When I started this job, I didn't want to take my MAC in. So, I bought a top and bottom HF 26" set for $299. $100 off regular price. Watch for there sales!!! I got mine around labor Day