I've done okay in the Zoner GB. Gotta fly it like a bomber and have good gunnery skills is all. Fit One pulse, three razors, a screamer and a nuke. Set the screamer and nuke to different weapons groups.
The fight is fairly uphill, I will admit. But I fly Junker ships with Junker guns and win a lot more than I lose. That takes a degree of skill and patience I don't think many have. :P