I didn't test it but according to the release notes an important part of the enhancement in the jdk 1.4 is greatly enhanced 2D in general and swing in particular performances. Benoit > > Well, then Ruby's problem is called Tk. I'd separate the language > > from its libaries especially if there're not core libraries but you > > could drop in replacements. > > Yeah, I agree. Ruby "comes with" Tk, like Java "comes with" Swing. The only > real difference is that there aren't many alternative GUIs for Java, and none > with any market leverage. In any case, because of this I think that, as an > end-user application platform, Ruby is in an even worse position than Java.