With a thinline plastic body, I'd say you're sacrificing tone for playability, the amp and the pickup for that price. Thinline and bowlback bodies generally sound a bit weedy unless played through an amp, at which point the body shape is less relevant than the piezo under the saddle. Listen to anyone playing an Ovation from about 1970 onwards - sound great plugged in, not-so-great unplugged.
With the benefit of hindsight I'd suggest springing a bit more for just a guitar, whether electro-acoustic or not. Vintage and Tanglewood produce some amazingly good value guitars at a little above that price range, even before you get to Yamaha and onwards. You can worry about plugging in when you feel the need to play louder. If you're recording, spend the money on a decent mic and aim it at the 12th fret, never rely on the transducer.
I have a number of lovely acoustics and rarely, if ever feel the need to plug them in at home. These days it's just for the occasional party that the amp comes out (kids and cycling successfully put a stop to my gigging career) and at club nights (again, very occasional these days) the PA is provided... so between them the guitars 'perform' about 3 hours per year. My experience has been that the idea of playing amplified always seems more necessary than it is, unless you're gigging regularly. Of course, your mileage may vary, as they say.
