Some very clear trends have emerged in the marketplace over recent months, namely:

A comprehensive table showing the First Home Owners grants you may be able to claim depending on the date of the contract of sale is set out below.

The federal government on Tuesday announced an extension to the existing First Home Owners Grant programs which were due to expire on June 30th.
The Boost program, announced in the first Rudd Government stimulus package last year, will be extended for six months, three months at the full rate of $7000 for existing homes and $14,000 [...]

Starting the New Year in a new home has become a happy reality for many Australians as the level of first Home Buyer activity in the market increased significantlythrough Nov and Dec.  And the level of inquiries and purchases have continued through summer.  This is largely thanks to the Federal Government’s First Home Buyer Boost. 
Effective [...]

While the global markets may be in melt down, now may be the best time in years for first home buyers to get into the market.  How can I suggest such a thing with all the doom and gloom going on?
3 simple reasons:
1. First Home Buyers are getting more government support than ever before with [...]

The table below shows the money available from the Federal and Victorian Governments for first home owners from Oct 14th,2008 until June 30th, 2009:

Contract Date

Conditions

First Home Owner Grant

New First Home Owner Boost

First Home Bonus #

First Home Owner
Regional Bonus #

Total Grant Avail

From 14 October 2008 to 30 June 2009
# Additional [...]