200hp out of the FA20 is pretty good, especially considering it doesn't slouch too bad in the torque department, either. Honda's F20c bests it by 40hp but torque is roughly the same. I'm fairly certain the extra power comes in the last 2,000rpm; if Subaru were to build a 9,000rpm-revving boxer it might do the same, but the cost would put the FR-S/BRZ over $30k, where the S2000 was. The S2000 was more like $40k in today's dollars, something the Honda fanboys are quick to forget. I'm sure if you dumped $10k in the FA20 it would produce more power
The Mazda MX-5 has a 2.0L that only produces 167hp. The older Genesis coupe only made 210hp out of a turbo 2.0L, granted that number has increased to 274hp since the twins were introduced.
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Current: 2005 Porsche 911 Carrera S 6MT
Previous: 2 BRZ's, 997 C2S, C5 RS6, C4 S6, B8 S4, GDB STi, S30 240Z, FC3S RX-7 TII, AW11/SW20 MR2, E30 318is/325i, etc.