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It depends on which language customers are searching for. I have faced very similar situation. It is further complicated by the TLD which is  not from same country users coming from. The website in one language and product description in another. We gradually added product description in both the language on same page (one below other). Even the  website is in language A, the product descriptions are in language B (with 10% of pages have A and B both). But found that majority of the customers are searching in language B (which is english) and still it ranks well and customers get what they want.  When we see search volume for a product in language A is increasing, we add translation in language A for that product on the top of existing description in language B.

Hi Tom, I went ahead and made the purchase, in my opinion not expensive but with domains you know... it's worth whatever you are willing to pay for it. thanks again for your help and guidance to check out those great links!