While I try to do this often. My macbook even has Win8 and Ubuntu as VMs on it. Running Xcode or Visual Studio in a VM can get pretty laggy, even when I give th

While I try to do this often. My macbook even has Win8 and Ubuntu as VMs on it. Running Xcode or Visual Studio in a VM can get pretty laggy, even when I give the guest OS a considerable chunk of my host resources. I have an i7 920 and 16 gigs of ram, and I have about 50% to the guest, and Visual Studio and Xcode, along with simulators is pretty messy. Running a VM within a VM can do that. Its the only reason I do a triple boot like this. Otherwise, I would definitely go pure VMs. Though Parallels on my laptop does a bangup job with Visual Studio. But then again, the main problem is huge files and lots of writes.