Permanent Dreamcast part 2

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Hello, I posted a couple of months ago that I was interested in a permanent Dreamcast that would load dreamshell and play sdiso games even without a gdrom drive. it is my goal to have a permanent dreamcast. Then, the other day I saw this on taobao.com. http://item.taobao.com/item.htm?id=7655637293& Is this what I'm looking for? I want to make sure before I buy it. The translation to english is confusing. Last time I posted about this, Swat said that Dreamshell would not play games after it was installed. Has this changed? I don't want to waste my money.