How to fix Vim (win32) colors when run from powershell?

Question

Ok, I've been searching for a while and just can't seem to find the answer, so I'm hoping someone can point me straight here...

I have (g)Vim 7.3 for windows installed and am trying to run it from the powershell prompt (v2.0/Win 7-amd64). Vim starts fine, but the colors are all jacked. Normally I use the desert theme for gVim. For POSIX shells I usually use CSApprox.vim plugin to get the gVim colors in vim and it works great (all i have set in the .vimrc is the set t_Co=256 for it). Anyway, I've tried vim with and with out the 256 and CSApprox plugin, but still get the wrong colors when launched from powershell (and cmd, but lets stick with powershell for simplicity here). How can I get powershell vim to look like gVim desert without permanately changing the powershell colors outside of Vim?

Answer 1

This does not appear to be possible.