I'm fond of iPhone-specific versions of web sites; they usually have just the minimal set of features you need and are very easy to use. Adam Darowski just posted a great way to get the iPhone version of Google Reader running on a Mac as a desktop app:
Do you find yourself checking feeds on your iPhone and thinking, "Man... I wish Google Reader looked like this on my computer, too." I have. Using Fluid.app and a bit of user agent trickery, you can make it happen...
Read all about it; thanks to Adam's instructions, you can get this going yourself in minutes. Using Fluid.app to Bring Google Reader for iPhone to your Desktop
http://www.hackszine.com/blog/archive/2008/08/use_iphone_version_of_google_r.html