Hey guys, I'm a n00b around here. Well I currently have the SR125 and am getting the HD650 at the end of the month. Reading up, it seems like I'm in dire need of a decent amp for the 650s. I currently run the Grados through a Cmoy. I really was just wondering what the big differences are between a tube and a SS amp. I was looking at the Gilmore Lite and the Eddie Current H-25, but I have no clue what the big differences will be between those two different kinds of amplifications. Also which one would be best suited for the two headphones? The 125s will probably upgraded at some point to 325. Any other suggestions?