They have an unreadable website requiring proprietry extensions rather then aw3c compliant browser to read.

This is classic discrimination against those with disabilities using text based systems

Do not reward discrimination with money and please avoid them.

As such they are denying themselves the thousands of $ i'd have spent with them

Typical short term greedy thinking by such companies.

If you work for solargain and wish to contact me.

You may do so via irc on irc.freenode.net #summerhaze

I am still looking to spend about 10g on an offgrid install complete.

However like truevalue solar i suspect you are both greedy and lazy, preferring an aus govt handout to supply an inferior non sustainable solution.