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.
As the countdown continues for RWC2015, Tournament Chief Executive Debbie Jevans visited the Millennium Stadium to discuss preparations for the eight matches and reveal the positive news that 100,000 tickets for games at the home of Welsh rugby have sold in the last seven days.
Jason Harries is targeting a first win on the World Series circuit this season with Wales. The series returns to action this weekend in Dubai where Harries is part of a team hoping to build from its efforts in round one in October.
Wales skipper Jevon Groves says his side have addressed a few points from Gold Coast and aim to 'hit the ground running' in the next two rounds of the World Series, kicking off with this weekend in Dubai before heading off to South Africa next week.
Wales Sevens manager Steff Thomas is hopeful his side can build from a quarter-final spot in the opening round of the World Series in Australia when his side take part in the forthcoming double header in Dubai and South Africa.