I hear that OS type compressors add a little grit and color to your tone. I'm a fan of Mark Knopfler and I understand he used one of the first Dire Straits record. As a Strat player, I'm understand in getting Mark's clean tone and wouldn't mind a different flavor of compressor other than what I currently have (see below.) For that type of compression (Dan Armstrong made the original I think) what pedals do you recommend? I know there are several so please share opinions. Thanks!