Cough,
understand totally your point about the shortening of route and the impact on making your level. unfortunately here at TC we tend to get you late and either high or fast... a real bugger, especially on easterlies!
I think you appreciate the merging of tracks tho, so although I like a good moan at Swanwick, I do understand their problems as well.
Although our (TMA) airspace is pretty unflexible and change is highly unlikely (due to sheer lack of space), there are plans afoot to change the routes for inbound and outbounds in the sam/kathy area which will hopefully give the chaps and chappesses at en-route a chance to get you guys streamed a bit better instead of passing on a snotty heap to us!!
As for a visit, I am sure that someone in your organisation must have a NATS or similar liaison type bod who has the relevant phone numbers.
Just be prepared to hear the phrase "it's usually busier than this" if and when you pitch up!!