Those are good practical inputs. To judge the quality of the receivers I recommend you check out the following sites. It's interesting reading and will help you make a good choice.
Receiver Comparison Data:
http://www.w8ji.com/receiver_tests.htmMore comparison data from Sherwood Engineering:
http://www.sherweng.com/table.htmlreceiver test methods:
http://www.w8ji.com/receivers.htmHappy hunting & 73 de kt8k - Tim