Buying Without Audition

I don't have a dedicated sound room. The audio system is in my living room. The room is approximately 25 x 16 with a sloped ceiling that goes from 8 feet to about 12 feet high. I was quite impressed with a set of PSB Imagine small towers. The imaging and detail were excellent (at least in the showroom).  I would like to hear their Synchrony model which should more depth and bottom end. I'm not familiar with Zu and will do some research, thanks.

I haven't heard the PSB, so I can't comment on their sound.
My listening area is similar to yours (minus the sloping ceiling), so you probably don't need tons of power-unless you like to listen super loud.
(Also, you don't mention your other equipment).
As I mentioned before, I think the Zu might suit you. They aren't 'laid back', but very honest and revealing, maybe just your cuppa'. Also, looking at the prices of the X2T show them to be around $650 (I don't see the Synchrony line). If you can budget around $1K+, then you could probably get a nice older floor standing model Zu used. There are a pair of bookshelves for sale on Agon, but I think you would need a sub for the lower frequencies- so better to stay with the floor standers.
I own Vandersteen 3a sigs and the Zu Union. Both are very capable, though I listen to the Vandy's most. 

Right now I'm using my 1990's Luxman R-115 receiver (75w/ch),
 recently cleaned and recapped. I've got a Peachtree Audio Grand Integrated on its way here. Tons of class D power (more than I really need) and a great built in DAC. For sources I have a Musical Fidelity X-Ray CDP and will stream internet radio from an iPad. I accumulated all the equipment (except for the iPad) without audition and based on research and reviews. I've done ok so far but speakers are so variable and subjective that it gives cause for caution.

In Atlanta here. If you like I would be glad to have you over to listen to some Zu Def 4s if you happen to be in town for business.