[Tplane37]

Looks like 21203 may be the next 6.5 build after all. I did a search, and came up with this:

揭秘Windows Mobile 6.5 华硕P535升级攻略- 手机硬件.配件.刷机中心 ...

25 posts - 23 authors - Last post: Mar 23
揭秘Windows Mobile 6.5 华硕P535升级攻略 ..... UID: 21203; 帖子: 40; 精华: 0; 劳作值: 80; 财富值: 40; 人气值: 0; 贡献值: 0; 手机型号: 1 ...

Which Google translates to:

Secret Windows Mobile 6.5 upgrade ASUS P535 Raiders ..... UID: 21203; Posts: 40; Essence: 0; work values: 80;财富值: 40; Popularity value: 0; contribution value: 0; cell phone models: 1. ..

Here's the link: http://bbs.nangua.com/viewthread.php...&extra=&page=6

I have not been able to load the page, but one of us may be able to and then post a mirror once we download...if there is even a download.