My favorite links:

Krenkel radio club of Russia

Soyus Radiolubiteley Rossiy (Russian radioamateurs Union)

N1BUG Aurora monitor

IZMIRAN Solar activity forecast (Earth magnetic field's changing prognosis)

OH2AQ DX Cluster (Great real time board of DX Stations, propagation etc.)

Moscow packet radio group by RA3APW (with Classified "buy-sell")

"More miles on VHF" by DK3XT (Excellent VHF Info for all)

MS-DSP Software by 9A4GL (Beautiful PC Sound bluster software for MS!)

Tomsk radioamateurs news by RW9HR (Last satellite news, rich software library etc.)

OPDX bulletin by K8YSE

QRZ Callsign database by QRZ

Buckmaster's Callsign database server by Buckmaster

The "RADIO" Magazin very populiar Russian amateur's radioelectronics magazin

RK3AF home page by Dmitry about himself VHFing