Thank you all for the usefull information. I think I will buy the V350 when it is available.
There is a good clone available running Android 2.2 and has DUAL SIM, the HTC HD2 clone for with discount 284,-
You can read the forum discussion here: MTK HD9 (HTC HD2 1:1 copy) with capacitive screen - ACER Users / ETEN Users Forum
The person who started the topic, Bruno, is doing the OS optimalization himself. I think it would be better for him to move that topic to this forum so all readers can find it easily...