I think you should grab the supposed 60cm (actually 63cm) Raleigh International. I ride a 63cm SuperCourse and I am a shrimpy 6'0". (32-33in pants inseam.)
And yes, the top tube is a bit snug on the yabbies when I'm straddling it, but it feels fine up in the saddle.
__________________
● 1971 Grandis SL ● 1972 Lambert Grand Prix frankenbike ● 1972 Raleigh Super Course fixie ● 1973 Nishiki Semi-Pro ● 1979 Motobecane Grand Jubile ●1980 Apollo "Legnano" ● 1984 Peugeot Vagabond ● 1985 Shogun Prairie Breaker ● 1986 Merckx Super Corsa ● 1987 Schwinn Tempo ● 1988 Schwinn Voyageur ● 1989 Bottechia Team ADR replica ● 1990 Cannondale ST600 ● 1993 Technium RT600 ● 1996 Kona Lava Dome ●