Hey, I have a suggestion that could benifit Linux GUI and the Linux experiance: Use the newly GPL'd Xara Xtreme to our benifit. Cairo is a lot slower than Xara in terms of rendering, and Xara has been around for over a decade, so they know something about what they are doing.
Now, I don't know everything there is to know about Cairo or Xara, but here is a good suggestion if it is possible:
Read the full suggestion/blog here: XaraXtreme vs Cairo
If you think that this is a good idea, please link to my blog as needed and spread the suggestion.