1. Easier to move about than a 4x10.
2. You ears can hear what you're playing and not just your knees.
3. Takes up less floor space than your average combo.
4. If you find it's not for you, sell it again at hopefully what you paid for it, or,
5. You could saw it in half and make two 4x10s but see 1.
I love my 8x10, not quite as good as four 4x12s but that's another story.
P.S.
It sure looks cool!!!
P.P.S.
Almost forgot, an 8x10 sounds fantastic, superb, brilliant, great, etc., everything you could ever want in a bass cab.
P.P.P.S.
Only my opinion of course.