When you're using Remote Desktop, you can't use ctrl+alt+del to bring up the remote computer's task manager. Here's an easy solution: use ctrl+alt+end

Also, here's a video on the history of Ctrl+Alt+Del:

DownThemAll (or just dTa) is a powerful yet easy-to-use Mozilla Firefox extension that adds new advanced download capabilities to your browser.
DownThemAll lets you download all the links or images contained in a webpage and much more: you can refine your downloads by fully customizable criteria to get only what you really want.
DownThemAll is all you can desire from a download manager: it features an advanced accelerator that increases speed up to 400%, it allows you to pause and resume downloads at any time and, last but not least, it's fully integrated into your favorite browser!

http://www.downthemall.net

Download High Definition Videos off Youtube... and lot more!!

KeepHD is a sweet tool that lets you download HD videos off Youtube and other tube sites in to your video editing softare! Not only can you download from youtube HD copies of your movies and music, you can also download the mobile 3GP version for your mobile devices plus the standard MP4 and FLV format. Just enter your video URL, and KeepHD will automatically grab each version of the youtube video clip you want to download.

http://keephd.com

I found this nifty guide by "Th !e.FaLconO6" on building a nice computer for the right price. At version 0.8, it was last updated June 2nd, 2010.

2-18-2012 - UPDATE!
You can find an updated version of this guide here:
http://i1002.photobucket.com/albums/af150/The_FalconO6/CurrentLogicalPCBuyingGuide/Guide.png

More Stuff here too:
http://s1002.photobucket.com/home/The_FalconO6/index

Thanks Internet!