The shares on Win2003 were not being seen on saiwaves komba2. Tried smbclient commandline, able to see those shares which require password. So, made share with permissions not set only for "Everybody" (which is the default), but also added the particular username for which I had the password. Then the share is seen, can be mounted. Added to fstab so that it mounts on boot. Useful info at http://wiki.linuxquestions.org/wiki/Samba
The uid gid of a user can be found with id -u username and id -g username as given at http://kb.iu.edu/data/adwf.html
The encryption problem mentioned at http://allinthehead.com/retro/218/accessing-a-windows-2003-share-from-os-x is not an issue in our case, with the encryption being turned off before I started checking this problem, probably because the machine is not a domain controller.