speaker help

[72shadetree]

i have not messed with radios in along time.what is a good 10" sub there is so many names out there i dont no whats good or not.are the mtx any better than they was 10 years ago.just want something decent not trying to win no competions.

will a 10 sound good in a 18/20"h x18"w x7" deep at bottom and 5" deep at top box.was planning on laying the boxes on their back under the seat
i have a 90-s model seat and it sets up higher than the stock seat .thanks for your help