I'm not a GM or Admin, but I can answer a few of those questions.
1 - Yes, it is free. No donations required to play.
2 - Yes, I suppose.
3 - (Steps listed below)
4 - We run on Hamachi.
(Steps to Connecting)
1 - Get WoW.
2 - Patch up to 3.0.9 (The patch should be under C:\Program Files\World of Warcraft\ or where ever you have downloaded WoW to)
3 - Go to C:\Program Files\World of Warcraft\Data\enUS and double click on Realmlist.WTF (Open it up using Microsoft Word, Notepad etc.)
4 - Change the contents to
set realmlist 5.91.214.1145 -
Click this sentence to download Hamachi.6 - Read
How to Connect and follow the instructions.
7 - Contact
merlijin82 on Hamachi and buzz him/her to make a WoW Account for you.
8 - Go to C:\Program Files\World of Warcraft\ and run WoW.exe
9 - Delete the WoW Launcher on your desktop and replace it with WoW.exe
10 - No one copies my instructions under their name!