Do the tablets you have in stock come from the batch with the defective wifi antenna? I already asked about this but have yet to see any response.
Ainol has stated that they will provide free replacements, and bear the return postage. However, I would like to avoid any hassle and just buy one already fixed.
More info on the issue here:
Do reply soon. If your pre-sales support is like this I'd hate to think about your post sales support.