Please keep in mind that if new threads are created related to these already-discussed issues, they will be closed. For the benefit of everyone, search before posting 
More will be added to this sticky as the device gets out there, feel free to PM me with suggestions!!!
06/26 - Organized list so it flows better, think categories.
06/27 - VOIP Solutions added.
09/01 - Updated links to match new vBulletin forum.
09/27 - Wiki links added.
10/09 - Weather Panel Links added and updated.
10/11 - Added official ROMs area.
10/20 - YouTube Solutions added.
10/23 - Added new Sprint Mogul discussion thread link and washed out custom background picture solution.
10/29 - Addes links to helpful CABs and to Sprint 2.09 ROM.
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*
Sprint HTC Mogul/PPC-6800 User's Guide (requires Adobe Reader) from Sprint.com
HERE
*
PPCGeeks Titan Wiki includes some general info, but feel free to update it HERE or take a look a THIS forum thread
* Share your PPC-6800
Today screen here (instructions on how to get
screenshots are on the first post):
HERE
* Using a custom picture as background and it shows washed out/transparent? Check
THIS thread for info!
* Visit this
FORUM for
Themes (PhoneAlarm, Today Themes, etc.) and
THIS Wiki entry for Today theme installation instructions
* For a list of
compatible, uncompatible and must-have apps for the PPC-6800, visit this
THREAD
* For
Registry Tweaks on the PPC-6800, visit this
THREAD
* Found a
bug? Report it
HERE
* Read this
THREAD for
accesory discussion
* For the
Official Bluetooth Headset thread for the HTC Titan/Mogul/6800/P4000, go
HERE
* Need your device's WiFi
MAC address? Go
HERE
* For the Treo 700w/wx
Picture Speed Dial Plugin visit this
THREAD and discuss it
HERE
* Read this
THREAD for new
Comm Managers!
*
VOIP Solutions for the Titan:
Skype -
HERE
* To open
ZIP (compressed files) on your device use either
Resco Explorer or
Total Commander (freeware) - NOTE: WM6 includes native .ZIP compatibility, however, these 2 file explorers provide lots of enhancements to your experience.
* Free
Push e-mail with
Mail2Web tutorial
HERE
PicMail (MMS) for the Titan (Mogul, P4000, 6800)
*
Real Picture Mail for the Sprint Mogul - PPC-6800
YouTube Solutions
*
YouTube Streaming Mobile: A "How To" WM5/M6/SP
*
Full YouTube/Google Video Access
*
YouTube Pocket, All of YouTube, Streaming, in a PPC Format!
*
Avot: Watch Videos on your PPC
* And there are probably more if you run a
Search!
Threaded SMS (Palm)
* Visit this
THREAD for the
existing development information
* And, visit this
THREAD for info on the the
Palm SMS Thread app on the PPC-6800
Weather Panel Links
* Get it
HERE
* Authorization & Moon Phases
FIX
* Moon
Icons
* Chameleon-240 v2
THEME
* Commuter-240-QVGA theme
HERE
* Son-of-Commuer-240-QVGA theme
HERE
* PhatPhinger, a stylus-free, QVGA theme
HERE -
New and Awesome!!!
* WP-Pilot v2.0 (one handed navigation)
HERE