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You may want to think about a geared head for landscape. Think about it: dialed-in control over all three dimensions, one at a time. Reduces the need to get the tripod absolutely level. Adjustments to all three dimensions marked in one-degree increments.
Manfrotto 405 is the big gun, the 410 is little brother. You can't go wrong with either one for landscape. Note, however, that big brother will not take on a long tele - too much distributed mass -