I find the Turanic Raiders Freighter to be ideal for junker congress escorts. It has a cargo bay more then 4 times as big as VHF cargo bays, it is just agile enough for dogfights, and it has some serious shield and hull strength - with a good armor upgrade, it can take a torpedo hit with shields down and still have half of its hull, and the shields are more then twice as strong as fighter shields. I would use it against a Xeno-flown Eagle any day.
It looks awful, but junker ships were never meant to be pretty. Still, I hope it gets a re-texture in 4.85
