Low to Medium? 85% satisfied with what I have, and did pay for about 40% of the D7100 on credit (no interest for 18 months, so not a killer), but I don't divert funds from other areas for NAS... EVER. I do shoot a little on the side to earn money for the NAS fund, but NEEDS before WANTS every single time. Period.
I'm not wealthy by any stretch of the imagination, but I am *RICH* in the sense that my budget is under control...

Plus, it allows me to do special things for my family from time to time to, like a night out on the town, a bit of vacation here and there, or help refurnish the living room. If the WIFE stays happy, *I* stay happy, and I have more than enough to keep me going in this wonderful art for quite some time, even if I never purchase anything else.
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Now, having said that... I really want a good Macro lens, and that "so sharp it will cut you" 85mm prime, and...
I'd better stop there.