su-29,31 and other sport aircraft

try http://www.russianaeros.com/ForSale.htm

i dont see the su-29 or the su-31M out there.

You might like to try these people.

Air Sport Club, Inc.
Anatoliy Derevyanchenko
15a Krasnooktyabrskaya
236039 – Kaliningrad
Russia
Phone : +7-0112-442390
Fax : +7-0112-442390

Their web site is down at the moment

E-Mail : [email]manager@aircraftsportclub.com[/email]
Webpage : http://www.aircraftsportclub.com

But this one is up http://www.aviatorsale.com/aix556/

Moggy