The Quake 4 standings this year, by hours of play - 23 servers had players, and this one was busier than 68% of them.
#1
Q4Max240 <Vanilla On Steroids>-USA=UK=ES=CA-
135hours
#2
WwW Quake4.net Northern EU [beta]
79hours
#3
Q4 High Table USA Base
72hours
#4
WwW Quake4.net New Jersey
43hours
#5
WwW Quake4.net United Kingdom [beta]
39hours
#6
Q4Max240 <Let's have fun>
24hours
#7
WwW Quake4.net Europe [beta]
18hours
#8
WwW.Quake4Moskow.rthis server
14hours
#9
Quake for Newbies | Q4MAX 240fps | quakenewbies.com
12hours
#10
PlayQ4.net Netherlands
8hours