Franky, the Crossover Office software and wine (latest stable branch) are almost identical, see http://www.codeweavers.com/products/cxlinux/change_log/ , the main developers of both projects are also the same people. The difference is that CXO contains a better GUI, install scripts and a lot of specific hacks for supported applications, whilst wine is following a "no dirty hacks"-policy. Which means, that a fix for a problem will only make it into wine, if it isn't (obviously) breaking other apps. The disadvantage is that a lot more work, tests and "infrastructure" is needed, but almost all improvements in CXO are integrated in wine, after some time, i a clean way. You may consider this "no hacks"-policy as a subtle way to keep a business opportunity open, but it was already there before CXO, and it was established, because in the long run hacks need a lot more work and maintenance than doing it right(tm).
