From the Konami-Europe news page on Suikoden V-
Featuring unparalleled depth of gameplay, Suikoden V thrusts the players into a time of unrest. Cast as an unlikely hero, players are charged with traveling the lands of Farlena in search of a mythical Sun Rune.
I really, really don't trust them ;P
Still, I'll pre-order it on Amazon.co.uk soon and we'll see.
(If I remember right, Amazon penned Suikoden IV's release date as 25th February 05 around Christmas 04. So I trust 'em.)