No worry. There is an alternative solution to force the desired resolution to be available in the VirtualBox guest OS, so if you have done it correctly, you can now run Windows 8 Developer Preview in VirtualBox with your screen native resolution. Instructions after the jump.
Windows 8, an answer from Microsoft to the rapid-growing Apple Inc. in personal computer (MacBook Air) and tablet market (iPad), finally has it’s Developer Preview released to the public. Since it is not even a beta release, it is definitely not recommended for a normal user to install it over the stable Windows Operating System. However, it is certainly interesting to test run the new Windows 8 Developer Preview, so to do this without causing any damage on your stable system is – Virtual Machine. Currently the Windows 8 Developer Preview can be easily install on Oracle VM VirtualBox only, not on the VMWare Player (do let me know if it is possible). Step-by-step guide to install Windows 8 in VirtualBox after the jump. Continue reading [How To] Install Windows 8 Developer Preview in Virtual Machine→