Poorman's Home Theater and Stereo Setup

This setup has so much room for improvement. please help to suggest bang for the buck upgrade or improvement. Here are my setup Onkyo TX709 7.2 network receiver Sony SS-X9S 3 way florstander Polk Audio TSI 100 B&W DM600 S3 B&W HTM62 Boston Acoustics ASW250 NAD 375Bee Pioneer PD-217 Polkaudio RTIA7 Denon DN-S3000 Audio Technica LP1240 Turntable Marantz Tuner ST6000