I think you guys mean "InkSCAPE" not Ink SPACE
Oopsie. I had "Keenspace" vs. "Toonspace" on my mind at the time. To many "spaces"...
I tried the latest version just recently but it wouldn't open my earlier files, so I scrapped it and reinstalled the older version. I sure like the looks of some of those new features.
I think it's pretty powerful, but when I need something with more text capability (and easier-to-use gradients), I just open up Microsoft PowerPoint. Most of my graphics end up in MS Word documents anyway.
(An aside: I'm using PowerPoint for an animated anniversary comic, with a PPT-to-Flash utility.)
For making comics... well, if you've seen my comic I'm not really pushing the boundaries by any means**. But I like it. It's really easy to do the limited stuff I do. And the export-to-PNG lets me set the output resolution. That's good for a webcomic: one resolution for web, another for print, without changing your source. Greg Dean of Real Life (reallifecomics.com) did that for his book; he uses Adobe Illustrator.
** Sidebar: I did redo my title image using Inkscape. Type the text, set a "linked outline", color it, set another, new color, repeat. Much cleaner output than the tool I used before. Those "halo" text effects are fun, but it eats processor time and memory. Plus with the export, it's easier to do two sizes (main and archive) from the same file.
SVG is the problem. Adobe has an I.E. plugin, I believe. We need to get Microsoft to accept it, both in IE and in Office. Then everyone will follow. So far, no one has complained about the PNGs I export from Inkscape. But be careful: using two many alpha-transparency effects (yay alpha!)can make PNGs look bad in IE.
Conclusion: if you've got the time, it doesn't cost you anything to just try it. Experience is the one true teacher. (Or: live and learn.)
--SixGuys (really just one guy)