Ynysybwl are proving the early pace-setters in Division Two with their latest bonus-point victory over Garndiffaith.
Captain Nathan Ellis scored twice to ensure his team have taken 14 from a possible 15 points from their opening three games of the season, winning 48-27.
Unbeaten Llantwit Fardre and Abercynon remain in close proximity after wracking up third wins in a row.
Fardre dug deep to beat Llantrisant 19-15 at Cae Fardre thanks to tries from Keiran Evans, Geraint Jones and Dan Holby while Matthew Turner inspired Abercynon to beat Newport Saracens with a 14-point haul in their 24-10 win.
Rhymney won the derby at Fleur De Lys to condemn the home team to their first defeat of the season in Division Three.
Wing Greg Plant sped over while fly-half Steve Lang added the conversion and two penalties before Josh Ferry stepped off the replacement's bench to settle the Rhymney Valley clash. Scrum-half Darryl Cook went over for Fleur.
Passions were also running high in Cardiff where arch rivals Llandaff and Llandaff North squared up. Two tries apiece from Stuart McIntyre and Daniel French clinched the local bragging rights for visitors North, winning 26-20.
Talywain hammered Machen 40-3 in a seven-try rout in Division Four.
The last five years have been an emotional rollercoaster on and off the pitch for RGC1404. Promotion to the Principality Premiership was the culmination of five years of hard work and investment in North Wales. WRU TV caught up with prop Joe Simpson, who was one of the first intake of WRU North Wales Academy players in 2010.
Ebbw Vale captain Damien Hudd picked up the biggest accolade of the night at the 11th Principality Premiership Awards Evening held at Principality Stadium, after leading his side to the title for the first time.
Wales assistant coach Robin McBryde is predicting a tough battle against England on Sunday despite the fact they may not be considered to be at full strength. Players will be out to impress Eddie Jones which makes England a dangerous proposition, he says.
Wales U20 captain Tom Phillips and performance psychologist Dr Rich Neil explain why spending three days at Monmouth RFC has further strengthened the togetherness of the squad ahead of the #WorldRugbyU20s