i checked the davinci site here is the log about from last hree update
6-1-2007 - PDF manual with detaild information reinstalling the DB2020 drivers.
Click here to download it.
2-1-2007 - DB2020 CID51 supported, unlock and flash.
23-12-2006 - DB2020 Unlocker released.
Contact me via MSN GsMen at davincit eam dot com . 50 euro each phone. Supports ALL K610i, K610im, K618i, K790i/a/c, K800i, V630i, W710i/c, W830i, W830c, W850i, Z610i, Z710i/c phones. Via DCU-60, not need special cable. Phone is fully unlocked after procedure, it will not matter if it willbe flashed, unbranded etc.
i'm not see any db2001 phone in the list
also checked the last client version and also not see m600 or other new marita variant