Okay I've had a Mogul and a TP1 tethering just fine.  I get this shiny new TP2 two weeks ago and absolutely none of the tethering USB reg hacks/cabs do a thing that I can tell.  I have unlocked it (verified in boot-loader screen) and have had zero luck getting the connect to stop being that ugly grey color.  
 
One post said I should see another Internet Sharing icon (I don't) or can't find it.  I've not had any luck finding "All Programs".  If that's my problem show me where/how.  When I added Bing it showed up under start and it's voice commands work fine as does Opera. so I at least have data connection.
Anyone have a clue why I can't get this USB tethering working?  Wifi is a no-go for me due to battery.
Thanks for you help.--DD