Why would you want to have a Windows application look like a Mac application? This is just a question not a put down of the Mac OS (look at my specs).
As a Mac and Windows user I like the idea that both have their own look and feel.
My Computer
At a glance
Win 7 Pro x64, VM Win XP, Win7 Pro Sandbox, K...AMD Athlon(tm) II X4 640 @ 3.0 Gbz12GB 1066MHz DDR3 SDRAM - 2x4GB, 2x2GBATI Radeon HD 4350 HD Graphics/Audio with 512MB
Computer Manufacturer/Model Number
HP Pavilion a4302f
OS
Win 7 Pro x64, VM Win XP, Win7 Pro Sandbox, Kubuntu 11
If you're cool with not being able to close them from the window border, I could make something to remove the entire border, I think. I don't know whether the feature I would use is able to work on explorer windows, but it may.
My Computer
At a glance
Windows 8 Pro 64-bitIntel Core i7 950 @4.4GHz12GB DDR3 1333MHz @1400 (9-9-9-24)2x AMD Radeon HD 6770
Not in my part of Idaho. The only thing out here is Mountains, Elk, Deer, and other wild things.
My Computer
At a glance
Win 7 Pro x64, VM Win XP, Win7 Pro Sandbox, K...AMD Athlon(tm) II X4 640 @ 3.0 Gbz12GB 1066MHz DDR3 SDRAM - 2x4GB, 2x2GBATI Radeon HD 4350 HD Graphics/Audio with 512MB
Computer Manufacturer/Model Number
HP Pavilion a4302f
OS
Win 7 Pro x64, VM Win XP, Win7 Pro Sandbox, Kubuntu 11