Instapaper is a fantastic app for the iPhone. It allows you to quickly add sites you come across on your iPhone that you want to read later on your home computer, or – and this is important – vice versa (that is, you can add sites you come across on your home (non- iPhone) computer to your iPhone, so you can read these later). Basically, it syncs between the two.
I’m doing a crappy job of explaining this. Here’s how the developer explains it:
Give it a whirl. The basic version is free.