The Audeze are beautiful and sound amazing. The Burson amp is pretty nice too.

You can't do much better than those Beyers & Fostex without spending major bank, however.
I've kept things pretty simple on my end. MDR 7506, HD 380 Pro & HD 650. The SONYs and 380s go on the road with me and get beat to hell. On my second pair of 7506. The first lasted 18 years! The 650s are for home use only.
I usually use the amps on my interfaces but also have a Schiit DAC/AMP, Whirlwind 4-Channel and Rolls 6-Channel. The Schiit and 650s are a great combo for not a lot of money.
I haven't ventured into the K812/HD 800/LCD-3 realm. I have pretty good ears but I can't tell much difference twixt $500 & $1500+ cans, certainly not $1000 worth TO ME.
I've been known to comb through Head-Fi but never joined. I'm not an audiophile, just a lowly sound professional.