The Sunseeker and the FR3 are both entry level rv's. The Fr3 DS is the same layout as the 3010. If you spend much time in the rv you will find that the tv mounted directly across from the sofa/ recliners is much easier on necks and upper back than having to keep you head cranked to the left / right for hours trying to watch the tv mounted in the front or back of the living area. Just my experience from 13 years in a 5th wheel with a end mounted tv.
Get a copy of the FACTORY window sticker listing all std and optional equipment with prices to compare apples to apples.
Some dealers violate the federal laws and phony up a dealer sticker that is greatly inflated.
The FR3 will give the illusion of more space due to the taller ceiling and open driver area.