It totally depends on what you want. Do you want keyless access, navigation, heated leather seats and all those luxury features in your sports car? Or do you just want to get in the thing and drive, and that stuff is just dead weight to you? Is this a commuter/daily driver or a fun weekend car? Do you plan on modifying the suspension at all? (if so, the differences between FR-S and BRZ don't matter as soon as you change the springs and shocks)
At first I thought I wanted the bare-bones FR-S, but then I looked at how much stuff you get for the extra money in the BRZ Limited, and it only adds 16lbs, and I was spoiled at the time driving an Audi S4 with all the same luxury options, I decided to go with a BRZ Limited over the FR-S.
Regarding the BRZ front end, I really think it looks better in the darker colors - Crystal Black, Dark Gray, Galaxy Blue. The darker colors draw less attention to the "mustache", and the LED lighting is just flippin' sweet!
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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.