Hi Mike,
I have a Topro with the big wheels. 3 years now and worth its steep price – built in Norway. Very stable and copes with rougher foot paths etc. I’m 6’2 and need stability as leg can give way causing falls. It is bulky and just fits in Touran boot. Have a hoist which helps if I’m alone. Also have a father in Law’s Days which I use for the garden. Good seat but small wheels tend to get stuck in ruts etc. Worth checking out at a store as all feel quite different. Best of luck and the. Transition from a stick is tough but does bring benefits like a mobile seat. No more fighting for benches