A while ago I promised that I'd post once I'd had a chance to see the Promenade in real life, anyway here goes.
I went to Kiddicare so a good range of doubles to choose from. The only two that I didn't really see are the Bugaboo Donkey and the iCandy duals but I've looked at those before in John Lewis and they were either a bit expensive or too big/heavy.
Phil and Teds Promenade
First off, yes it is expensive - I think about £830 for a dual kit and rain covers (I'm surprised that these aren't included in the seat price). It looked very smart though and was very easy to put up and down. You have to take the second seat off to fold it but this took literally seconds. There was enough room for our toddler (2.2) to sit in the top and bottom seat although the foot rest was already a little on the snug side but he is 97th centile for height.
It wasn't too heavy once the second seat was off for lifting into car boots etc. It handled very well and felt quite sturdy.
Downsides were only 3 handle positions, if the second seat is in lie-flat mode then there is no basket room at all and not much once the seat is more upright but this is the same with the other Phil and Teds. It only comes in black and I would prefer a few more brighter colours.
Britax B-dual
It looks huge! However, lots of room in both seats for DS. The second seat is positioned further back in the frame so there is still lots of room in the basket even when in lie flat mode, however DH is 6'3 and couldn't walk without kicking the bottom seat - v annoying and uncomfortable.
Again it feel very substantial with an easy fold. One advantage is that you don't have to take the second seat off to fold it. It is very wide though so I can see that it might be a problem in some narrower shops and doorways. It does come in some lovely bright colours and is much more affordable than the Promenade.
So overall we're going to go for the Promenade as it wins on looks, narrower and DH can actually push it! Next question, has anyone got any discount codes for any online pushchair retailers??