I use my devices in a "work" environment and any chance of bricking the device causes me to think really hard about doing something. I decided to root, read and did it. I read and then proceeded without any references at hand and had a problem. Got the notes out, followed the notes and gosh, it worked just fine. I then played, that is, removed a Sprint application or 2 and that worked. When the OTA came out, I found that because I had changed the contents of the ROM, the OTA would not work. That meant backing down to the original ROM, doing the OTA and then rutting again.
The evening my son's LG Optimutt S arrived, he played and I read. The next afternoon I rooted it with Z4 and wow, it worked fine. I have since added a number of utilities to his device. He came from a TP2 and has been happy with the change, though his chief complaint is the keyboard. Swype is now his 2nd best friend.