If you fancy a drive, how about a trip to Sussex (Haywards Heath) to see Park Camera. Got my 1V, 70-200L (non-IS) and my 100-400L IS from them a couple of years ago. Always have a good stock and reallyknowledgable folks.

That sounds like a good plan, they also have a good deal on the 10D + 28-135IS at only £1650.
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Remind me to change my signature to something more interesting someday