I recently purchased the E7/E9 setup for HD650. While I was fairly happy with the overall sound and quality I realize that I'm going to want something that will eventually power a set of bookshelf style speakers and perhaps a sub. Originally I thought portability would be important but it is no...

Just joined and went to PM someone and was notified I have sent my only 2 messages allotted to me.  Any suggestions for a fix?