I don't like to hijack threads, so...
I'm 99% of the way towards buying the 70-200mm f4L IS, but I'm worried that in a few months I'll wish I'd spent the extra £100 and bought the f2.8L non-IS. I'd appreciate some advice on what I should consider when weighing up each lens.
I'm 99% of the way towards buying the 70-200mm f4L IS, but I'm worried that in a few months I'll wish I'd spent the extra £100 and bought the f2.8L non-IS. I'd appreciate some advice on what I should consider when weighing up each lens.
This is really helping the thought process.


and a little nauseous at the same time. 
