After nearly 15 years of development, the WINE project is scheduled for the landmark 1.0 release. As with most open source programs, it is hard to sit back and say "ok it's done". The work will always continue, but at some point the program at least accomplishes the original, or in this case, realistic goal. The WINE website now has posted a list of programs
that are planned to work properly, constituting the 1.0 release.
This sudden optimism in the WINE developer community probably has something to do with the huge boost that Google gave them recently.
WINE will probably never boast full compatibility with every Windows application there is, unless Microsoft decides to help (hey, stranger things have happened