It is important to note that these do not depend on the existence of a contract (see 54(1)); prima facie, gifts would be covered although I am unaware of any case law on this. In addition, title (s51) and non-infringement ("undisturbed possession") (s52) must be guaranteed by the supplier and cannot be excluded.
In addition, the mere existence of this statement, purporting to limit or remove guarantees that cannot be limited or excluded, puts the supplier in breach of s29 as they are making a "false or misleading statement in connection with the supply, possible supply or promotion of goods or services". This is a criminal or civil offence and can be punished by fines of up to $1.1 million for a body corporate and $220,000 for a person other than a body corporate plus injunctions, damages, compensatory orders and other remedies. However, a simple "To the extent permitted by law ..." at the start would make this legal.