I am finally getting around to installing the 6700 shifters but due to the different shape and size of them compared to my 5600 shifters, I'm having difficulty deciding where (in relation to the handlebar) I should attach them.

Is there an easy guideline to installing shifters on the handlebars? It looks like the hoods of my 5600 shifters are installed so that top of the hoods are inline with the top of the handlebar (just before it starts curving down I mean). Is this a good starting point or is there any other method to determine the shifter location on the handlebar?

Thanks for the inputs.

Bar set up is one of those personal deals like shoes and saddles. You have to figure it out for yourself.

It sounds like your 5600 set up was pretty average and unless you didn't like it's a good place to start. When I'm working on a new set up I usually try to come as close as possible to my old bike. I will tape the cables down with a little hockey tape for test rides so I can make easy adjustments. Bar wrap after I'm happy with the fit.

I will make sure I have my saddle set up before I work on the bars and shifters. Then work on getting the bars where I want in regards to the drops and tops. The last thing is getting the shifters to the right height/angle.

Set the handlebar so the drops are at your preferred angle. Set the shifters so the hoods are horizontal or angled slightly up. Tape the cables with electrical tape and go out for a ride carrying the allen key(s) for fine adjustement.
Repeat the latter until you are sure you've got the right position and then wrap the bar.

Thanks for the answers, it looks like flat with the bar at the top of the hoods is a good place to start.