Your machines don't look old..but stackables would save space, then u could do cabinetry/counter space..some sort of built in. If not u could still install upper cabinets and/or shelving.

You really are limited being it is a hallway. The cabinets above idea that Jayme suggested is a good idea.

I agree with the image from Dytecture. I would also add a chandelier or pendant and paint the walls a very light robin's egg blue, light minty green, or light petal pink to make it fun but still feel crisp and airy.

Link for chandelier: http://colomandbrit.com/lighting/Ceiling?product_id=115
Link for pendant: http://colomandbrit.com/lighting/Ceiling/Trellis-Pendant

Add a coat hook along the long wall across the step or over the door hook (I see a lot of doors, might as well put them to good use). I can't tell by the photo, but are there room by the step for a shoe rack?

What about thick black open shelving (Ballard Design), a round clock and maybe black gallery frames?