New members makes these forums stronger. Maybe you will get the Airsteam bug like many of us have. The symptoms are nasty. Terrible buyer's remorse, endless hours laying under a jacked up trailer, frequent deliveries from UPS, dwindling bank account, and sleepless nights on these forums trying to get a question answered.
Start by doing a thorough evaluation of your new Excella. List all the things that need fixing, from axles to frame to floor to appliances to leaks. The list may get quite long being the trailer is 36 years old. But it is quite possible to transform it to a very functional trailer for some lovely traveling.
Have fun, and post some pictures of your new vintage trailer.