Wow! Lots of great input. I really appreciate all the comments folks. Let me also clarify that London would only be the first part of my trip where I will spend a week there and then I'll be off to Kuwait (where my family resides) for about two and a half weeks.
@golf007sd
Great suggestions. That RS7 strap actually looks very comfortable and I think might consider buying one for the trip. Although I usually just tend to wrap the camera strap around my hand a couple of times and just have it function as a grip strap. It usually works fine and very comfortable that is until I need to free my right hand.
I also like the idea of a teleconverter but I did blow my budget with the London trip and the VR1 acquisition. Same thing about the tripod too. I do have a couple of aluminum tripods laying around but I don't think I can afford a carbon fiber one at this point. I might bring along one of the tripods I already have though and just leave it at the hotel until I go to Stonehenge and Leeds.
I do already have a CPL filter which I'm taking bringing along as well as a 64x and a 1000x ND filters (I plan to use these in Kuwait). As for the reflectors though, I don't know if this grasshopper is ready for this level of photography yet.
@sevencrossing
That's what I thought and that's exactly what I wanted to confirm about the 70-200mm. I did leave the mid range zoom out on purpose. I actually do own a 24-70mm but I just never found it to be my style. My style is more wide angle and close-ups (and now delicious bokeh lol). As a matter of fact I might even sell it when I come back. The other reason I'm grabbing the P7k instead is because I want to be as casual as possible when walking down the streets of London... although knowing my fiance, she will probably be taking over the P7k and I will end up "stuck" with the D7k... hehehe XD
I actually don't have any spare EN-EL15 batteries for the D7k but I do have a grip and spare eneloops. Hopefully that along with the P7k should be good enough not to leave me stranded without juice.
@donaldejose
LOL... I do have one. I call it my Think Tank Streetwalker HD :D
@bjrichus
That is a pretty sweet setup, isn't it? And I totally agree about the wide angle too. As far as the 35mm, I'm actually considering dropping it in favor of the lensbaby instead. The lensbaby does go as low as f/2 and I can be more creative with it too.
We will be using the tube while there. I figured renting a car will be more expensive not to mention having to deal with getting an international DL, parking spaces, tickets and worst of all the backward driving on the left side of the road (lol JK :p).
I'm actually pretty comfortable using the underground. When I was younger, my family used to vacation in London often and I used to use the underground almost exclusively.
I actually will be going to Stonehenge as part of a tour but I don't think the tour will go to Salisbury (except in the bus) but if we do will look for those sites. I'm really beginning to feel that one week is not nearly enough time to spend in London.
@Godless
Yeah, I hear ya and there is nothing I'd love more than to be able to do that but I will also be traveling to Kuwait for the rest of my trip and my whole journey will actually last for almost a month. That's a lot more time than I'd like to spend without the rest of my gear.