YOUR OWN COMFY ROOM in a super-safe, Upper West Side 1-bedroom apt. share in wonderful, leafy, classic NYC nabe that's 1 block from subways that take you to Midtown or the Village in 10-15 minutes and between 2 great parks (Central and Riverside) and the Hudson River. Towels are fluffy and sheeting is 350-650 t.c. Night: $100; Wk: $600; Mo: $2300. SEE "THE TRIP/TheSpace," and "THE NEIGHBORHOOD/Overview," both below, FOR MORE.