Today, HK: AmCham's Entrepreneurs' Group hosts a luncheon, 'Developing Professional Services in China', at the Ritz-Carlton. www.amcham.org.hk Tomorrow, HK: Paddyfield.com hosts 'So ... You Want to be a Columnist' with SCMP contributor Jake van der Kamp. Visit paddyfield.com/events for details. The Australia-China Business Council Forum presents 'Practicalities, Prospects and Profits' (until Oct 30). www.austcham.com The Hong Kong International Lighting Fair and the HK International Hardware and Home Improvement Fair (until Oct 30) begin at the HKCEC.