I am answering as the owner of a 2017 36.3. So I am telling you my experiences and not another coach or manufacturer or anything other than the Palazzo 36.3.
With the exception of not realizing the difference of the opposing slides, the layout and standard equipment were what we wanted. 10 days after purchasing the Coach - we brought it home, loaded up everything to travel, and the tilt-a-view bed trapped my wife between the platform and the washer/dryer closet - severely crushing here leg. Had to call a mobile mechanic to get the slide and bed to retract.
1st trip discovered that the wooden bottom of the dinette cabinets was cracked and warped, the door to the cabinets hit the top molding, bolts were missing from the dinette table, etc. etc.
26 items needing attention and warranty repair, DEALER sucks. Just after purchasing they became Camping World and any repairs and parts they ordered did exist in CW's system and had to start all over. 5 months - not only did I not get repairs (dealer said it was THORS fault), THOR shuffled me to 5 different Customer Service reps and started over every time and resent all the paperwork and lists with every new person.
Finally got escalated to a "higher" team - and thought things were getting done. Went to the FMCA convention in Indianapolis last year and met with THOR reps and Cummins / Onan - Discovered the Generator Mounts were cracked with less tan 40 hours on generator.
Purchased Jan 30 2017 - Coach has been at a dealer for the past 5 weeks and has had 3 THOR Service tech visits and still not back or work completed - Now have a full slide issue, shower leaking at door issue, Bed is still not fixed correctly - & Oh by the way - THOR changed the tilt mechanism for the 2018 - but that one is not in mine - although THOR keeps telling me it is. The have no clue what components are in the coaches they build even thought they will tell you they have very specific build sheets.
Will I tell you not to buy a THOR - Your choice - members of my local club have several different THORs including one member that had a 33 and just traded for a Venitian.
Personally my experiences with THOR have been horrible and so stressful the BW and I fight over this all the time. Having lost vacation time, cancel plans often, travelled and had to manually swap switches and wires or fix broken parts, doors etc. on every trip.
Some will say that is expected when owning an RV. Yet - I don't believe that is true. Little things will go wrong and there will be normal fix it items. Like the washing machine drain that sucked in a cloth and flooded the bed area. Happens. - But the lack of quality control and inability to communicate with customers, on and on is not what we should expect.
Your dealer is important - I am quickly learning that the bigger dealers, are more interested in you and your coach than the little locals. Current General RV has been loaning space to THOR for their tech to work on my RV - Good
PR for them - BUT they call me about everything, and I can't get THOR to call me and schedule work.
Again just my experience, maybe this one is a lemon and other Palazzos are great. But try and get THOR to repair, better yet replace the lemon after 19 months and no joy!
If I ever get the Palazzo back - I am considering selling - probably at a big loss and buy anything but a THOR - will probably get something used because that may be all I can afford after all the money I have lost on this one - Monthly Finance, Insurance, Storage fees I can't use - Limited spaces in the area - If I cancel I could wait 6 months to a year for another space. Oh and the mileage and fuel costs for 7 multi week trips to dealers and a trip to the factory that didn't get much done.
Happy to supply more info regards and good luck on what ever you purchase -
You're not going to like it... 
You're gonna LOVE it! 
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