So about a year ago, you guys recommended that rather than getting a combo amp that I get a GK Backline 600 with two 8 Ohm Avatar SB 112s. I just got my SB 112 in the mail today. But now I need my head. Everywhere I have looked shows that these run for $299. The shop I am going to has them in stock for the same price. I was wondering if I should try to talk them down or just pay the $299. I I should try to talk them down, how much should I talk them down?