Database Components utilisation pros & cons

Hello!

 #1) W'd like to devellop a system with DELPHI 1 that will use about 100
 tables (using Paradox 5) in a multi-users environnement (20 to 30
 users).
 We want to know what's better to use:  

        . Works directly on Database with DB-Components OR not.

 #2) Is it possible to work on remote access with Paradoxe database with
     a 64 Kb line.