Yes a sparkly new one, can't wait. Pre retirement present to us both.
The T@B was a great introduction to caravanning but as many have commented it is a bit of a squeeze inside particularly when the bed is down.
The 420 seems absolutely huge in comparison and I'm thinking the towing fuel economy should be good with the low height.
I was surprised with the T@B, going up to Wiltshire a couple of weeks back I averaged 35mpg, however on the way bay with a strong south westerly head wind I only managed 27mpg. Guessing its the wind resistance that affects mpg more than weight.
Next on the list is an awning. Would love an air awning for the convenience and speed of pitching.