I'm sure the Kato is probably a bit better quality, but I think they are all, essentially, the same. They are not, repeat NOT, interchangeable. I think Kato sells a conversion piece, but I don't know WHAT it "converts".
I have a BUNCH of EZ track, which I am not so crazy about because of lack of "flexibility". If I had it to do over again, I would NOT get involved with it. They only sell, like 2 or 3 size pieces, and their switches (turnouts) are TRASH!! I have THREE and they ALL "burned out". They are the power routing kind and I don't have the skills to fix them (Can anybody reading this help me?)
I'd think long and hard about getting into it Gene. I know there are guys here that use the Kato track, so maybe we'll hear from them.
It's a mixed bag. The plastic roadbed tracks ARE MUCH easier to assemble, etc. However, I think the "realistic crowd" tends to the Peco and Atlas flex track, which I am STILL trying to "master".
I plan to get ALL the EZ track off of my "big" layout and use it for a "quickie" Christmas display in my foyer. It's PERFECT for that application. Snap, snap, snap and you have a cute little "Up and Over" inverted "8" on a 4X4 in the corner! After the holidays, snap,snap, snap, back in the box till next year!
Of course this is JUST my (rambling) humble opinion!
:8}
Marc