Help me fill in the blanks! Indie Resource Guide

[Promaginy]

Can you help me create guide to the resources that should be evaluated when it comes to promoting one's game? If this guide is well done, it could become the basis for an updated FAQ that could answer most of the 'how do I ...'

Please direct me to links for the following categories. Also, please share a brief rating of the usefulness of the resource in the advancement of your business if you have relevant experience. So if your game was on the Yahoo! Games portal, please briefly state whether the experience was good/fair/bad for your business and why.

Category: Portals
e.g. Yahoo! Games

Category: Affiliates
?

Category: Publishers
e.g. Matrix Games
e.g. Shrapnel Games

Category: Software Submission Services
e.g. Shareware Tracker

Category: Software Hosting Sites
e.g. Download.com

Category: Website Hosting
e.g. HostPC.com

Category: eNewsletter Services
e.g. ?

Category: Website Search Optimization
e.g. ?

Category: Domain Name Registration Services
e.g. ?

Category: Promotion (Press Releases/Advertising)
e.g. ?

Also, if there are any categories that I missed, please add them. Thanks!

<edit - thanks to Teeth for the correction to e.g. from i.e.>