MDB Tools Suite -- My God, it works!
MDB Tools Suite lets you dump data from Microsoft JET database files (MDB files from Microsoft Access). I didn't have much hope that it would work, but it worked flawlessly! It's available from RPM Forge and in the Ubuntu main package repository.
Find the tools here MDB Tools. It's Open Source (LGPL and GPL). Good stuff!
Get a list of tables in the database:
Dump a table to CSV on standard output:
mdb-export database.mdb table