My usual boostin route is:
RFC 8-13
SFK 13-20
SM 20-40
ZF 40-45 (Bear FTW!)
Scholo 45-55
Ramps 55->
and because Ramparts is so friggin boring, i also clear BF, SP, UB, SV, MT, AC and Sethekk at least once for variety and to get easy quests completed.
UK 65->
etc.
