Get a mixed mode simulator and import from or export to Eagle PCB.
The predecessor to our latest program, B2 Spice v5 a fully featured mixed mode simulator that builds upon B2 Spice A/D 2000 and adds its own features to make it the simulator of choice for power Spice users. New features include a parts chooser window, workspace editor, importing, and exporting to Eagle PCB as well as other PCB programs, and animated schematics.