Accessory maker Sonnet Technologies has introduced a catch-all Thunderbolt dock that offers users just about any kind of connection they might want. The Echo 15 Thunderbolt Dock, compatible with both Mac and Windows machines, offers a total of 15 ports and includes options for an optical DVD or Blu-ray DVD drive as well as a 2TB hard drive (or smaller SSD). The deluxe dock is expected to arrive by summer, but can be pre-ordered now for North American customers. The unit’s drive bay can also be used for Time Machine backups….