We went to see some in action last week and I think i have it pinned down to just two. Both very similar and I think I know which I'd prefer but here they are for comparison.
First up is the Sola from Mamas and Papas RRP £275
It can be fully rotated on the chassis to be rear or front facing as well as being a base for several brands of car seat and a carrycot fixture if you so wished. It has 4 wheels, I can tell you from having a go in store that it's VERY easy to manoeuvre and I really like the handle which as well as being very comfortable is extendable for the taller parents among us. It's not cheap as pushchairs go but it's not totally breaking the bank and right now there's 10% off online and a deal where by if you purchase the corresponding Aton car seat there's another £50 to be saved!
The car seat in £135 and can be found here
Next is the Quinny Zapp RRP £149.99