Blend, Visual Studio and compile in x86

I have a WPF project where I need to compile in x86 because it uses the Gecko Browser that works only in x86 mode, and this causes an annoying problem with Blend. I usually keep VS and Blend togheter, in VS I change ViewModels and do everything not related to the UI, when I need to change the UI I simply switch to blend. The problem is, Blend looks only in the binDebug folder, so when I add a