onefivenine - Thanks for the link.. it seems my main ranges are 16mm, 24mm, 35mm and 70mm... so I'm using across the scale.. one thing that is interesting is there's not a whole lot in the 55-70 range, it seems I just max out at 70 when I want the individual shots etc...
In theory the 17-55 looks like it could do the job..
the 24-70 is an awesome lense, but on a 30d its range is 38.4-112mm, 38mm isn't very wide as all, I definately need the wide end that the 16-35mm provides..
The IS isn't going to help stop the action on stage, but its still going to stop my shaking / floor moving etc.. I had to stand right next to 15foot high speakers a few weeks back and the combination of floor moving up and down and vibration from the speakers cant have been helping, I'm sure this is the sort of thing IS could help eliminate..
I agree that the 17-55 isn't perhaps ideal for gigs due to beer/dirt etc.. If it was weather sealed I think I would buy it now, but thats my main worry when spending 500+ .. will it last?
My other alternative is to purchase another body, so I only have 1 lens change to make, perhaps leaving the 70-200 on one body and swapping between the 16-35/24-70 on the other.. I feel this is a bit extreme though..
On a side note, I saw the pigeon detectives pro photographer shooting with a
Canon EF 50-200mm f 3.5-4.5 push/pull type zoom which looked so much better for quick zooming etc.. the whole design seems to be better than the current style, although I can imagine dust is a problem with air being sucked in etc.. any thoughts on this oldschool lens? Zoom/Manual focus on one control makes so much sense to me..