Home Depot is selling me Jeld Wen, small business I asked for sell me Milgard. Any recommendation?

And if Milgard, anyone can tell me what is what between the 3 (Tuscany, montecito and style line, which should I get?)

below are the parameters:

Measurements: I took out the trim and the measurements are of the frame opening (measured from frame to frame).

W: 69 1/2 x H 59 1/2

Material: Vinyl

Type: Two vent slider (equal sizes, 1/3,1/3,1/3)