Vicky - I'm doing my own thing now because, as I've said in the past, all this going in and out of ketosis isn't healthy (either for my head, or body). Where the head is concerned, it's too obvious that I've been telling myself "never mind, I'll restart on Monday" nearly every weekend... and where the body is concerned, who knows!
So, for the past three weeks now, I've done some PPing and PVing but I've added in fruit and once a week even a meal and dessert (if the occasion arose)... to keep me out of ketosis...
The best thing is that I've not felt (too many) urges to binge since doing this...
On here though, for most, it's better to stick to the plan and do it properly... but as you're a bit like me with your weekends off, up to you how you feel about the yoyoing weight wise...
My take on it, and who knows whether I'll be proven right or whether I'll fall on my face soon, is that if I'm not in ketosis with HUGE water and glycogen losses, I'll not have HUGE regains whenever/ifever the wrong morsel passes my lips... and because I've been low carbing for far too long, I think some "Dukan + healthy eating" is going to be a better thing for ME to do... not everyone though, particularly not those who can stick at the plan as indeed I used to...