I don't have an awful lot to add to existing comments not knowing the type of work you do but would suggest that its worth considering the extra weight you'll have to carry and the provision for a suitably protective bag. This may or may not affect your working style. Think it also worth mentioning the useful include of a spare battery.
I've found that a spare battery has become the new bottle opener of the picnic. You always think its packed but when you get to your picnic site, it's the only thing you've forgotten when you need to use it. Best Alex =============================================================== GO TO http://www.prodig.org for ~ GUIDELINES ~ un/SUBSCRIBING ~ ITEMS for SALE
