http://www.channelmaster.com/pages/c1.htm
Winegard starts at
http://www.winegard.com/offair/chartselector.htm This site's admittedly hard to navigate, though.
http://www.kyes.com/antenna/antennadex.html has lots of basic info
http://www.anarc.org/wtfda/crossfire.pdf
http://www.starkelectronic.com/cmant.htm
The antennas with the up-down elements may be the discontinued (of course!) Channel Master "Quantum" series.
http://www.starkelectronic.com/cmquant.htm
Looks like Stark has just about everything on the market:
http://www.starkelectronic.com/allant.htm
I bought a lowly RatShack VU-75 and put it up in 2000, and have never regretted it. I use it for both TV and FM. Total installation of antenna, rotor, amplifier, cable and hardware all ran just $120; I supplied the free labor
I did look up RadioShack outdoor TV antennas and it seems there's nothing online, just in the stores now. If it hasn't been cleared out yet, that is...
Best of luck, Bryan.
Tom