Refactor Rename incredibly slow on medium to large projects

Please vote on this if you think it is important to you.

http://lab.msdn.microsoft.com/productfeedback/viewfeedback.aspx?feedbackid=f17e1c19-54be-4bc6-bc79-1cefdd324c80

Hopefully the team working on this will make it a priority if they see a lot of votes. Thanks.

I am not expecting MS to fix this in the current release but I by giving feedback, I hope that they will make it a priority for the next release.