my hr-24-500 is dying (freezing and having to reboot it) and I need to replace it. I have a 5 lnb non swm slimline dish. am I best off replacing it with another hr24 or is there a better alternative?? I`m not familiar with the genie or other receivers. also, where is the most cost effective place to purchase the receiver? I saw new in the box hr24s for $100 on ebay..