Thanks a lot for the replies, guys. I really appreciate it... I'm really happy with Inkscape, and with a free (libre) alternative to proprietary formats that only seem to get in the way of the creative process. I actually have scribus and seems to be one fina application, indeed! Seems to complement Inkscape in such a way that I thought was not possible wtih Open Source tools, only downside: it uses QT (yeah, I'm biased![1]), other than that it is a great app!

[1] I'm more of a GNOME/GTK kind of guy, but use KDE and QT applications just the same, the above was only a joke.