A1 Used Computer Systems Pty Ltd was established in April 1993. We supply quality new and used computer equipment with a minimum 90 Day warranty - from a $5 keyboard to a complete system. Our website contains more than 3,000 product lines that can be purchased at your convenience. Repairs and upgrades are an integral part of our business. Unfortunately, we are unable to attend and repair onsite - but we do try to complete all reapirs etc within 24 hours of receipt. Our charges are modest -