http://www.livejournal.com/users/gwalla/39856.html is a page about (and a link to) a truly excellent Windows keyboard driver that provides full access to the Latin-1 range but is completely compatible with the US-ASCII keyboard except for AltGr (the right Alt key). All non-ASCII characters and dead keys are available there: for example, to get ŕ, one types AltGr-` followed by a.
I can't recommend this too much; I immediately dropped both the US-ASCII and US-International keyboards, which I have been using in alternation. The only (very minor) problem with it is that for some reason it messes up Ctrl-Shift and Ctrl-nonletter key combinations. -- "Well, I'm back." --Sam John Cowan <[EMAIL PROTECTED]>