I'm a little late to reply to this thread, but it's recent enough that I'll offer you up some advice.
Why not get a Motorola XPR6550? They're getting less expensive (used) and are a real decent performer. You can disable transit for each channel via the programming software.
Alternatively there are several less expensive brands. Performance and support may not be in the same tier, however for someone wishing to use them for RX-only, they will work just fine.
CS750 by Connect Systems
MD380 by Tytera (TYT).
Tytera TYT MD-380 DMR portable radio review - VA3XPR
Connect Systems
Identify what type of system it is first, before ordering a radio. If it's a Motorola proprietary trunking solution like Connect Plus, you'll be limited in your RX capabilities if it's a busy system, unless the radio is programmed/flashed properly.
You can always scan a Connect Plus system's voice channels in conventional mode.
Also make sure any potential system is not running Restricted Access to System (RAS) or voice encryption as you will not be able to listen to the traffic with a subscriber radio.
Computer software such as DSD+ will allow you to monitor a DMR system protected with RAS, however RAS is not encryption -- it's just a form of access control. Many DMR radios (Motorola confirmed) will not unmute to "clear" traffic, if the RAS key is not entered into the radio. RAS is a Motorola-proprietary feature for their MOTOTRBO branded systems.