Dad have the ALO the island, will it fit well with the hd650? if ALO the island + HD650 vs SR225e + GOOD amp/dac or dap such as dx90 or modi/magni stack which one you boys will get?

Hi guys, I'm loving the Grado sound mostly for rock and acoustics. Just wanna know which one should I get. I'm new within this headphones world  so I've auditioned the sr80e - sounds okay best among grados  sr225e - sounds better than the sr80e, a little bright less bass. more...

I'm a newbie within this headphones world. haha!   and I would like to know the best pairs I can get within my budget (over the ear headphones or over the ear headphones + amp/dac) budget is $400 below   headphone portability is not an issue for me since I'm gonna use it mostly in the...