I've tried just about all of them and keep coming back to MobileRSS...the paid/pro version. Full featured, clean and reliable. I like that it lets me add/delete subscriptions.
Just my $0.02.
Steve
I really liked MobileRSS also, very similar feature set as Reeder. I just found Reeder much faster than MobileRSS, especially over 3G.
Weaselboy
Afraid I have to respectfully disagree. I haven't used Reeder on iPhone...only for iPad...but I don't think it loads images until you click on a feed. MobileRSS loads an image if there is one available...which I like. Also, from what I can tell you can't subscribe to feeds in Reeder which you can do in MobileRSS.
You're obviously welcome to your opinion.
Steve