Still think the Mac mini’s not a good value compared to budget PCs? If you want to compare Apples to, well, apples, you might want to have a look at Aopen’s new MiniPC, once it’s unveiled tomorrow at the Intel Developer’s Forum in San Francisco, Calif. In 2005 AOpen generated interest when it unveiled its MiniPC, a Pentium-based Windows-compatible PC computer with a stunningly similar design as Apple’s Mac mini. Now AOpen is countering Apple’s Intel Mac mini introduction with its new MiniPC, the MP945. It costs a bit more, but sports some features the new Mac mini doesn’t have....