Abc Def Ghi ======== Capitlize every word
abc def ghi ======== All lower case
ABCD <=> BACD ======== Replace the second letter with the first letter
2. Typical Presets can be added as Build-in. You can add Typical Presets as a new menu/window/category.
Maybe it will be good, if you open a thread about it (pinned - Share Your Preset), where users can share their useful Presets, what they think is the same for many other users. I don't think it is hard to make a list of typical presets.