The Osprey Aura 65 is often praised for its comfort and durability, making it a solid choice for longer trips. Its suspension system helps with load distribution, which is great for various terrains. For frequent train or bus travel, it's useful to be organized—packing cubes can help keep things tidy. If your budget allows, it's a worthwhile investment. If you're looking for alternatives, consider the Gregory Deva or Deuter Aircontact series, which are also popular among backpackers. Always try on packs if possible to ensure the best fit for your needs. Have you checked if it fits in overhead compartments for easy transport?