I can't find that this has really been covered anywhere, but it it has, I apologize.
Now that "Web Clips" can be added to the Desktop (springboard), I have added more and more links to iPhone friendly web sites that I have found useful. Most users are aware of the iPhone version of google, but maybe not some of the others I have been using.
Here is a list. You *might* want to e-mail the list to your phone's address, and then you can tap each link instead of typing in each url. Then, for those sites you find useful, "Add Bookmark" or "Add to Home Screen"
Linked In
http://m.linkedin.com
WellsFargo (w/icon)
http://mobile.wellsfargo.com
CNN
http://cnnmobile.com
Fox News (w/icon)
http://iphone.foxnews.com
MSN Mobile
http://mobile.msn.com
Weather Underground (Eagan) (w/icon)
http://i.wund.com/cgi-bin/findweathe...st?query=55122
Weather (Eagan) (w/icon)
http://www.albinoblacksheep.com/ipho...her/?zip=55122
Sports Scores (w/icon)
http://www.albinoblacksheep.com/iphone/sports
eBay
http://m.ebay.com
Amazon (w/icon)
http://www.amazon.com/gp/aw/h.html
iPhone Network Speed Test (w/icon)
http://www.iphonenetworktest.com
Food Network (w/icon)
http://iphone.foodnetwork.com/#_recipes
UsableNet (w/icon)
http://iphone.usablenet.mobi/index.html#_home
Yelp (w/icon)
http://www.bodesigns.com/projects/yelpV2.html