These are very good:
pahat pohjat
Aidesta Parhain
Lupaus
Matti
paha maa
Sibelius
Jadesoturi
Star Wreck In the Pirkinning
Man Without a Past
Täällä Pohjantahden alla (is an interesting view on the early days of independence and civil war experiences; Unfortunately no subtitles)
War movies:
Tuntematon Sotilas (new and old)
Rukajarven tie
Etulinjan edessa
Talvisota
There are alot of Aki Kaurismaki movies out there, but some are a little weird/morbid, like for example "the match factory girl".