First impressions with HE-400 + Alpha Pads + Beyerdynamic headband (for comfort):
Comfort level absolutely skyrockets. Treble seems tamer than even the velours, female vocals don't seem as lacking and the soundstage becomes ridiculous. Seems like there's less bass though, oddly.
Edit: Actually the bass is debatable so far. Some songs it seems a bit muddier but other times it seems like it's more accurate due to the decrease. Might be the songs I'm using though.
Wondering if I should return the Mad Dogs and get the Alpha Pads; ~$75 investment, bringing HE-400 total to $490 (due to shipping + velour pads on headdirect, which was the only site that had it in stock at the time).
Though there does seem to be a bit of a heat issue with the Alpha Pads on the HE-400; there is no heat issue with the Mad Dogs oddly.
Sounds promising :)