For HF have you looked at the upcoming airspy HF+? DC to 31 and 60 to 260 at 18 bit. http://airspy.com/airspy-hf-plus/ http://airspy.com/airspy-hf-plus/ Only

For HF have you looked at the upcoming airspy HF+? DC to 31 and 60 to 260 at 18 bit. http://airspy.com/airspy-hf-plus/ http://airspy.com/airspy-hf-plus/ Only disadvantage is possibly the 768k max bandwidth.