Good resources: Apple Documentation, especially the sample projects; http://ericasadun.com/ especially her cookbook; #iphonedev on freenode.net
If you want something more general / third party, though, check out http://www.mobileorchard.com/ - it's a site I'm involved with, but we try to be objective.. (pun semi-intended ;-)) We cover higher level stuff mostly. Lists of resources, sites to check out, etc.
If you want more mac side of things then iPhone, then i can't say enough good things about Aaron Hillegass' Cocoa Programming for Mac OS X book.
I'm moving there from Cambridge, and I'll miss Ana's.
i also like the tonayense taco truck on harrison and the al pastor at san jose at 24th & mission is delicious.
if you want something a little less authentic but healthier seeming, try papalotes at 24th and valencia.
http://www.stanford.edu/class/cs193p/cgi-bin/index.php
You should also look at these tutorials:
http://icodeblog.com/category/iphone-programming-tutorials/ http://www.webresourcesdepot.com/iphone-application-and-webs...