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This should be fixed by now, let me know if it isn't :)
There's now an object scale node in Shader Forge (Unity 5 only)
This has now been fixed in 1.01 :)
Closing this due to age and the non-specificness of the issue!
This has now been fixed in 1.01
This should now be fixed in Beta 0.37 / 1.0 :)
Yeah, this is already fixed in Beta 0.37 / 1.0, which should be releasing this weekend :)
While this doesn't affect performance at all for shader code - it would be nice to be able to do this, yes. I'm not sure if a fix for this will come in SF, but it'll definitely be there in SF2