New external harddrive specs

• External, 2.5": i.e., no power-supply required
• Capacity: 500GB up, probably 1TB.
• Speed: transfer rate, RPM.
  
• USB 2.x (and more such as FireWire?)
  
• Packaging: พกพาสะดวก
  
• Good warranty: period, convenience.  How about technical support?
  
• Preferably non-Seagate but also need good reason(s).
• Bundled application(s)?