Not sure what ro_sie has, but I have a Splendid 2100xc, and have no problems washing king size sheets. Even wash our king size comforter in it.
If you have room for stackables, get those. If not, get a vented combo, 2100xc.
Pros.. Not going to a laundrymat. I do usually a small load every couple days. Cons.. It takes a little longer, and there is a learning curve in order to not end up with wrinkled clothes.
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