As an end user, I cannot see any reason to change the Style Guide. I like the uniformity and ease of use. Using RISC OS is just like shopping at a branch of Lidl, in the case of the supermarket, it does not matter where inthe country I am, the layout is always the same, I don't need to go for my coffee, kitchen cleaner tins of soup etc; likewise with RISC OS it does not matter which application I am using, I know what happens when I press f3, Ctrl-A etc. The Style guide is what makes the RISC OS desktop such fun to use. Mess with it at your peril.