if like me you love the sw motech range of bags then this might be of intrest
whilst the original bags are great it wasnt till the evo range was launched that there was a bag (the yukon) that was water proof and would carry a dlsr
peoplem was the evo bag needed a whole new base and my other bags wouldnt work
so after getting the yukon bag i fitted the base plate of one of my lesser used bags and i can confirm it works sit same height as old one
so if you want to up grade to evo you can without the extra expense