i have now heard 3 solo L5s and think they all sound like complete shit...
CVRs are great for an inexpensive good amount of bump. a CVX is probobly going to be more than "nice all round bass" either one of those subs will be greatly underpowered with that amp. a 12 CVR should be fine for the average listener. if you want a bumpin system then sure, upgrade to the cvx but also upgrade your amp or you'll blow your sub from amp distortion.
if you want good sounding bass, a rockford fosgate 10p3 is right in the CVXs price range, will work perfectly with the amp, and will sound a hella lot better than the cvx
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