If you like mids the RE-ZEROs really shine.
The M2s are nice fun iems which are warmer and have more bass than the RE0s, but they lack a bit of detail compared to the RE0s and RE-ZEROs.
Both the RE0 and RE-ZEROs respond quite well...
Certainly if you are ordering from the USA delivery should be fast as they now ship from the USA.
Anybody else will have to wait for Hong Kong post.
Ive had 3 orders with mp4nation and they always arrive to Australia in about 2 to...
I had my RE0s for 8 months before I got my RE_ZEROs and had no problems with them.If you wear them over the ear there should be no problem with microphonics. Also consider the RE_ZERO (i prefer it over theRE0 although they are both...
The M2s are the better iem, but the M1 is great value and for the price imo the best in its price range of the iems i have tried.
HOWEVER the M2 has a larger metal body and you may find it rubs on your ear unlike the M1.
I found the Rains isolated less than the RE0s or RE-ZEROs I think maybe because of the port front and back and the wooden body.
The Hybrids will fit the Rains. As far as the seal as long as youve got the right tips. no problems.