In reading this thread, the Opera seems to be a clear step-up from the Aria, but would one go so far as to say that the Opera sounds more than twice as good? Or has the point of diminishing returns been reached on the price / performance curve, where the Opera is marginally better, not drastically so?
If I think I would be pleased with the Aria/DAC driving my K701s, then I'd probably opt for the Aria over the Opera, and use the dollars "saved" to pickup a portable amp as well, e.g, the Tomahawk, for my Ipod / ER6is.
To help me choose between the Aria and Opera, any further comparisons would be most helpful. Also, does anyone know if Dr. Meier has an improved Aria (MKII) in the works?
Regards,
Don