Yep thanks to everyone here with advice and just the pure joy of looking at everyones photo's. This has pushed me to want to learn more and take better photo's. So thanks to everyone I have upgraded to;
Sigma 70-200 f/2.8 OS
Sigma 17-50 f/2.8 OS
Canon battery grip BG-E9
I will be selling my Tamron 70-300 f/4-5.6 (that is pretty much still new)
Thanks Soooo much everyone for your time and advice!!!