Has anybody noticed a difference in the new Hartke amps? I took a HA2000 home to audition against a few other cheaper amps and liked it the best. Had to wait for an online return to get my money back so I could buy said HA2000. Now the owner of the guitar shop calls me and says the HA2500's are in and they are the same price as the HA2000's($299). I am thinking I will just go with the 2500 unless anyone has noticed a difference between the old design and the new? They look to be the same design with a few more watts pushed through. Is that the case? Or did they redesign the internals? Thanks for any input.