One week with the Desire HD

Ok...I have had the phone for one week and overall i am very happy but there are some things that are really pissing me off.
I am now trying to work on a problem with the WiFi that is driving me crazy.  Yesterday i spent 7 hours trying to downgrade the OS version from 2.2.1 to 2.2.  But what did i expect?  The truth is that i expected exactly what i got and i love it!!!!  I love reading posts in forums, i love solving problems and i love the fact that not every 12 year-old girl has the same phone as i do.  I have signed up in the past week to 6 new forums that deal with HTC or Android (both English and Hebrew).
I have already learned so many things, for example:
1. What is a ROM (i knew what ROM was but now i know in connection with android)
2. Gold Card (a Micro SD card used to make a phone Sim-Free)
3. Radio (not the kind you have in the car but the kind that controls all the radio frequencys and controls of the phone - Wifi, Cell, bluetooth)
4. Gingerbread (the next version of the OS - 2.3)
5. How to flush the ROM
6. How to create a Gold Card (physically changing the HEX code on the SD card :-))
7. How to do a factory restart
8. And much more...
The battery is one of the things that is driving me crazy and not in a good way.  This phone loves the battery.  It loves it so much that it wants to completely consume it in a few hours. 
The phone does not really like the WiFi connection at the University.  I can see to get a good connection for more than a couple of minutes and today i can not get a connection if my life depended on it.  All the forums say that i have to do a factory restart to my phone which means that everything that i have done so far will be erased (which is not necessarily a bad thing). 
The interesting thing is that this week i also got a new phone from Comverse.  I got a Nokia E5 smart phone (fully QWERTY keyboard, no touch).  The wired thing is that it is not the worst phone that i have ever used and actually has some features that are useful and that the Desire does not.  The Nokia will sync the Exchange to-do list and the HTC (and the iPhone for that sake) will not!!!
I will keep you all updated on how the adventure with the HTC goes.
Bye for now :-)