If you could bump up your budget to $300 I'd definitely go for the Cordoba C5 which makes a great first instrument and is very hard to beat at that price. I see only an advantage in having a truss rod as it gives you control as to how much neck relief you want and corrections could be made years down the road if any changes were to occur. If $300 is too high, you could find several used Cordoba C5's floating around online such as at guitar center at a lower price. Not too long ago I played a C5 at a guitar store and it surprisingly had comparable or more volume, sustain and responsiveness than other classicals costing substantially more.
"Success grants its rewards to a few, but is the dream of the multitudes.
Excellence is available to all, but is accepted only by a few." - Christopher Parkening