Mediapad 10 FHD will be on the shelf in Japan in August.
Also, CommunicAsia 2012 event is on next week, Huawei will be announcing their release dates there I presume.
From their facebook page:
In the lead up to CommunicAsia 2012 Huawei Device announced to media that the Ascend P1 will be available in Australia, Malaysia, Indonesia and Singapore in Q3. Huawei Device will be showcasing many exciting devices for the region including the Ascend Smartphone series, so stay tuned for more updates coming next week when the event officially kicks off. If you haven’t yet purchased your tickets for CommunicAsia 2012 - check the official website for information - CommunicAsia