Zagat, the oldest crowd-sourcing dining guide, continually highlights 'new and notable' restaurants around the world. Here is a list of this week's trendy hotspots, 'top Italian' and new restaurants to try.

Trendy Japanese, misocool
Trendy American, Union J
Dining alone / Middle Eastern cuisine, Habibi Café:
Top steakhouse, Stonegrill:
French, Mediterranean, Cépage

Top-rated Italian in Hong Kong
Da Domenico
Gaia Ristorante
Di Vino

Plus the newly opened Italian restaurant 8½ Otto e Mezzo BOMBANA 

For additional comments and reviews, you may want to see what locals are writing on the gastro-forum OpenRice (in Chinese and English).