You need
WIN7 DVD
OSx86 DVD
EasyBCD
Fisrt install windows and create a partition (Fat32) for Mac oS X
After install MacOS (Disk Util->Erase->mac journal customize etc)
When you finish boot from win7 DVD and select repair
Select console (last choice) and type
Diskpart
DISKPART> list disk
DISKPART> select disk 0
DISKPART> list partition
DISKPART> select partition 1
DISKPART> active
exit
exit
Now of main menu select repair (fisrt choice)
When you restart you see your win 7 installation
It's time to see the osx86 installation
Download the EasyBCD from Download EasyBCD 1.7.2 - NeoSmart Technologies
Run it as administrator and go
Add Remove Entries->Add an Entry->Mac->Type:Generic X86 PC, Name:NST Mac OS X
Don't forget save
That's it
After restart you see WIn7 and MacOS both
Oh, so windows 7 has a dual boot option built in.
Why DosBox when you have VirtualBox which is 100x better.
How many uses Sun VirtualBox here?..needa know if its good..