It's going to be a big deal if that's what's important to you. Most units today have islands that block access to the stove or fridge, when the slides are in, which I find discouraging. We've had four TT's and one FW, our current. In all TT's but one, we could access the fridge and all areas with the slide in. For that one that we couldn't access the fridge, it was a nuisance, but we worked around it. When we looked to move to a FW, we had the salesman bring in the slides and based on that, and other factors, we went with our current floor plan. We have three slides and can access all appliances including the table in the kitchen, plus the bathroom and bed, with all three slides in. This makes a HUGE difference when stopping at rest stops to eat lunch and rest, and if we have to bring our slides in due to high winds, well high enough to make it uncomfortable to us, the unit is liveable. So basically, we can "live" in it with all the slides in. Another factor and why being able to do all this with the slides in, is because we often stop at truck stops to sleep and you can't always put the slides out with all the trucks around. We can sleep, shower, use the bathroom, cook breakfast, make coffee, etc.
2011 Bighorn 3055RL, 2011 F350 DRW 6.7L 4x4 Diesel Lariat and Hensley TrailerSaver BD3, 1992 Jeep ZJ and 1978 Coleman Concord Pop-Up for remote camping
Dave & Renee plus (Champ, Molly, Paris, Missy, and Maggie in spirit), Mica, Mabel, and Melton