For $1,500 I'd look first at the
15" WMD from DIY Cable.
I've heard basically the same thing, but the 10" version. The 10" driver made me
That 15" WMD should be damn near unbeatable for anything under $1,500 (probably beats many a sub that's much more expensive...).
Technically I did "see & hear" the 15" WMD (a pair of them if I recall properly). But I wasn't listening to anything at the time that was engaging the subs, so I can't say for sure how they performed.