New/Used Electronics - Suggestions??

Well I think its time to retire my old Lowrance and upgrade. The screen is just about toast making it hard to see. I'm on a budget so I'll probably look for used first before I spring for a new one. I'm currently using a handheld GPS to mark BPs and hot spots. Kind of a pain so I rather have it built into the FF. Any suggestions for previous combo models with good resolution?

The Humminbird Helix 5 and 7 series are great units for the money. Send me a PM if I can be of assistance to you.