Gimp vs Inkscape vs Fireworks用于网站开发？

InkScape users, can you recommend Inkscape for website-template development. I have to learn a tool for website templating, to create layout and export slices, one of my friend is suggesting fireworks i have seen him working ie why i am aware about slicing/css, and web-says lnkscape shall be fine, nothing detailed review.InkScape users, can you recommend Inkscape for