Yes, you need to know your way around in the Norris world, it seems! I bought a post WW2 A5 about 25 years ago because I wanted to experience this magical Infill bliss folks were talking about in the various magazines & books where I'd seen them eulogised extensively. Instead of doing a little more homework, I just bought one from a dealer, thinking a Norris is a Norris, right? I was a little nonplussed when it arrived & I saw the two-tone woodwork - Beech front bun & Mahogany rear handle with Beech side-cheeks - where's the Rosewood?! To be fair, it was advertised as a "good user", so I should have been a little cautious.
Someone had tried to "fix" The scabrous original 'blending' coating on the wood & made it even worse, so I just took some alcohol & fine steel wool & cleaned the mess off. Fortunately, the shellac-based original finish (at least I assume it was original) prevented the varnish they'd applied from soaking in & the mess cleaned off easily. I just rubbed in another couple of thin coats & left it like that; at least it's honest!
So is it a "good user"? It's quite a good plane, but I didn't get the expected rush when I honed up the blade & put it to work. The cap-iron needed a bit of fettling, which improved matters a little, but the iron is a trifle soft compared with some of the current after-market blades (it's perfectly ok for 'sensible' woods like Walnut & Cherry, but it does get a bit sniffy about some of the less refined "colonial" timbers..
And as I've moaned about in other threads, the adjuster is very clever, but flawed, imo.
About a dozen years or a bit more ago, I got into making my own infills. My first effort was usable, which encouraged me to go on & make more. After a few planes, I started to get the hang of things & I've managed to produce a couple of infills which I think are better "users" than the A5 ( if nought else, the infill is a bit more attractive).
Note the
lack of a Norris stytle adjuster. I have made adjusters & fitted them to a few of my 'user-mades', but I've long since become accustomed to the tippy-tap method of blade adjustment & can do it more quickly & with fewer expletives than using the screw-adjusters.
And btw, I've had the Norris up for sale for 1/2 what I paid for it, but no takers - I'll have to wait for a new generation of woodworkers to come along & get enthused about this infill business, it seems...
Ian