Anyone using a CPE that is reliable and costs <= $300 ?
features needed:
SFP for uplink, QnQ, basic layer 2 functionality.
If you're using something with the above parameters and you like it,
please share. 
Thanks,
Elliot
Something like Zyxel MES-2110 ?
Try Maipu S3400 series, Chinese boxes and it is working really good
for us fr couple of years.
It would suits ur need n price range.