Buy a D600 or a D700 ?

Thanks to all for your answers! The supplied information is going to allow me to choose in full knowledge of the facts.

@Jonathan Siegel: I visited your site and viewed your book Blurb: of magnificent images! Thank you for your advice, I intend to open an account on Flickr.
@Liviu Namolovan: your vision is interesting, thank you!
@Cenk: thank you for your advice !
@RPA: I was delighted to see your photos, thank you!
@Narddogg81: thanks.

@stany Buyle: thank you for your opinion !
@Tord Erikson S: I already have a NIKON 50 1.8 G and I there very satisfied. I intended to buy the 28 1.8 G … Of whiche 24 think you? Thank you,  Tord !
@clarnibass: thank you for this precision.

@GregF: thank you Greg!
@andrzejmakal merci for your participation.
@MarcelaLI: thank you Marcelo !
@C. Kurt Holter: thank you for your opinion !
@Iggier: I think of having the same approach as you !
@Ranalli: thank you.
@frank-en-toronto: thank you for your opinion.
@Eno: I am honored with your answer. Yes, the question dust / oil is also spread in Europe … Thank you for your advice.
@Overniteman: +

@Austin Ted: thank you for your advice.
@chipmaster: thank you for sharing with me your experience.
@chlamchowder: very beautiful photo, thank you for your opinion !

I raised a synthesis of your notices and advice, here is the points which I retained :

Hesitate by to rectify if need be and to give me your impressions !

Philippe