Upload & Sell: On
You are telling me you cannot hand hold a 300mm lens. Then I guess IS is not meant for you, but for the majority of photos that either hand hold or possibly use a monopod, the IS is a god send.
I used monopod on a cruise ship---tripod was no no--- and the images I got were really sharp without IS/VR. I will buy a 400/2.8 with VR, just because it comes with all the modern glass and coating and better AF, not because of VR. Have no choice but to pay for VR.