I use a split keyboard for my work laptop when I'm at work. To tell the truth, it corrects my typing by forcing my fingers to the correct hands. I hate it! For years I've typed using whatever fingers could reach the desired keys and did not think about which hand I should use. Now it shows me down and I have to relearn my high school trying teacher's typewriter lessons.
In short, no physical pain, but not a fan. It's too slow.
Control-f for find is a classic. I do like using slash (/) for finding as well. If you're recognizing the keys yourself, do away with control and just have at it with f or slash for find, t and b for top and bottom and left and right arrow keys for next and previous pages, if such are applicable.
Yeah, it's a junction point, but it's also useless. Open a command box and CD to it; now what? A file explorer and set it as the directory, again, now what?
The Treo 650 was my first smartphone, followed by the OG iPhone, the Blackberry Pearl, and the Nokia N900. At the time, the iPhone was actually a step down from the Treo but my Palm phone had died a watery death and they weren't available anymore from my carrier so I went with the iPhone. This was before the App Store, so everything not already installed was a web app and they all sucked back then.
After just a few months of suffering on the iPhone, I went with a BB Pearl, which was hardly better app-wise but much better as a communications device overall. As soon as the N900 dropped I bought one at full price and I was back in smartphone nirvana. Of course, by then Android phones had hit the scene and the iPhone had vastly improved, and the N900 started feeling slow and cumbersome compared to my coworkers' and friends' devices.
Later my love for the Nokia device transferred to Windows Phones, which I still maintain were the best smartphone paradigm ever made. For once I felt Microsoft finally "got it right" on the OS design and people-centric interface. I sorely wish they still made phones with mobile Windows 10, but I get why they left the market.
The Treo 755 is the best phone I have ever used, hands-down. I actually have it on life support in the other room (even though its radios lost carrier support years ago - CDMA), simply because some of the apps are really useful and have no modern analog (cough, MathPad, cough...)
In short, no physical pain, but not a fan. It's too slow.