If you want a relatively inexpensive and light 4x5 camera with full movements for architectural photography, I'd suggest a Tachihara field camera (which will cost you about $500-$600), but they're also made by Shen Hao, Wista, and other makers. There are many options out there. If you don't need many movements besides a bit of rise, I'd suggest a Graflex Crown Graphic press camera.