Ryan James is adamant the Canberra Raiders "can really go to another level" and there could be no better place to do it than Sydney's west on Friday night. Concern is growing about the widening gulf between the NRL's best and the rest but there will be no such worries when the Raiders travel to face the Penrith Panthers in a primetime showdown this week. The ladder-leading Panthers have conceded 16 points through four games and scored 110. The Raiders have given up 60 and scored 93, but Canberra prop James is confident his side has plenty left in the tank leading into the NRL's toughest assignment. "We haven't even put in an 80-minute performance yet.