There are a few of us from Victoria that will be travelling to Phuket for Bike Week this year. Some will be there from 1st - 20th April and others like me for just a few days. I'm there 8-11 April.
http://www.phuketbikeweek.com/home.php
Songkran (Thai New Year) will also be celebrated from 13th - 15th April
http://www.phuket.com/festival/songkran.htm#