Has anyone with an X-Fi Prelude found something that they like better than the stock LM4562 in the front L/R socket (for either gaming or music)? Is there already a thread on this that I've missed?

After reading some impressions of both of these amps, it sounds like the Porta Corda MKIII has less bass impact and perhaps a better soundstage presentation than the Move. I already own a Move, and like it, but these differences interest me, since I've been seeing some Porta Corda MKIIIs pop...

I'd like to get an amp that can pull double duty as a portable with my iPod 5G and at home with my X-Fi soundcard. My budget is $300, which I can stretch a little if it's worthwhile to do so. I'll be using the amp with my AT A900, Beyer DT770/80, Grado SR225, and some JVC Marshmallows which...