like the title says, i have that message even when i already verified my email address a while back. tried resending the verification email, did it again, still no luck. help?

i have an iBasso D6, and looking to get the Slim to somewhat augment my gear. dac-wise, which one is technically / sonically (or maybe even musically) better? i've been itching to get the slim with the dac - i'm so sold to the tubey sound of the slim, but the only thing i'm put off is the dac...