I personally don't buy manga because I refuse to pay that much for such small books that don't even have color most of the time. If you have the money and the interest, knock yourself out, though.
As for not having bought an X-Men comic since the 90s, well, your experience soured because the 90s totally sucked for the industry as a whole, mostly thanks to the XTREEM! craze inspired by hacks like Rob Liefield.
For a thourough explanation of the comic industry, read this...