The thread in particular that matters:
forums.whirlpool.net.au/forum-replies.cfm?t=1090317

Joomla would be overkill for this sort of thing, and a long road to meet the client brief.

Any Sydneysiders up to the challenge of meeting this?

After all, product diversification is one sign of a healthy business model (and that means not only supporting 1 product base)..