Over the weekend ReactOS 0.4.8 RC was released. I was able to upgrade and install also VMware Tools, but I wasn't able to run network with e1000 driver, so I continued using vlance as suggested on VMware page in ReactOS's Wiki. I also had a BSOD with error
0xC0000218, related to impossibility to read registry hive, which turned out to be disk problem (see topic Blue Screen crash on VirtualBox in ReactOS's forum).
Take a glimpse and try it yourself!