I gave QuackNews a whirl. It's new and it shows. It's as rough-looking as ZauRSS and it gave me quite a bit of hassle (resolution, .conf file error etc) on the SL-6000.
DMblogger, which was suggested earlier in this thread, is excellent. I've been using it since ashikase pointed it out and I'm very pleased. It's a lot more polished than QN and it also has a blogging feature for those of you who have Moveable Type sites. I love seeing new Z apps appear and dedicated developers behind them, but it's going to be a while before QN is on par with DMB. When it is, though, I'll certainly give it another try.