Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Challenge Computer Systems Pty Ltd ← View details LEVEL 6, 41 CURRIE STREET, Adelaide, South Australia 5000 (08) 8231 0877