I am too lazy to dig up the thread but we had a debate awhile back about the proximity of the field to the town. The thinking was that if the field and the town were far enough apart it would make CAP'ing the field (ie:vulching) and CAP'ing the town, simulataneously, very difficult for all but a very large/organized attacking force. This, in effect, would divide the attacking force making it far more likely the defenders would be afforded opportunities to successfully up from that field and mount a persistant defense. As it is now on the conventional maps, the field and the town are so close even a relatively small attacking force can effectively CAP the field (ie: vulch) and CAP the town, simultaneously, without much difficulty just by virtue of their proximity.
In the same thread it was proposed by myself that if the spacing were increased between the field and town it would require either the town have its own VH or the field VH would require a spawn point to the town to maintain a cohesive combined arms defense. Generally speaking though, the consensus was that greater town/field spacing would generate far more opportunities to have pitched battles, less opportunity for vulchfests, and mitigate the steamroll effect to some degree.
The greater spacing and subsequent division of the attacking force also should lead to its greater vulnerability to its CAP being broken by those defenders that come from a nearby support field. For example, with 10 attackers, theoretically 5 will be CAP'ing the base (ie: vulching) and 5 will be CAP'ing/destroying the town. So, if two or three defenders from a nearby base come with some altitude it's conceivable they could rather easily break CAP on either the town or the field making a successfull base capture highly unlikely. However, on the conventional maps, the same 10 person attacking force simultaneously CAP'ing both the town and the field would be far less vulnerable to having their CAP broken by the same 2 or 3 defenders coming from a nearby support field just from an odds standpoint. In effect, greater spacing should provide generally better 'localized' odds for the defending force even if outnumbered overall, thus the potential for the mitigation of the steamroll effect and likelihood of more relatively even pitched battles (ie: less lop-sided vulch-gang-bang-fests).
Zazen