[link] shows 2 versions, I assume you're referring to the "Graphite window treatment". Hardly a paragon of good GUI design, too similar. All on the same side too, so easy to hit the wrong one, as in Win95 and later.
It seems like everyone nowadays has 43 people in the "make it look cool" department, and a guy who works on making it good who comes in for 2hrs on friday, if he's not busy.
Drobe Awards 2008: The results As the last few hours of 2008 slip away forever, it's time to recognise those who gave the most to the RISC OS platform over the past 12 months. 9 comments, latest by JohnR on 2/1/09 11:03PM. Published: 31 Dec 2008