)Get an X with no SatNav but try to get the rest!
Speakers are crap and will need updating - if serious, buy thisfor the future. As long as you don't go for one with DSP.
Glare was never an issue for me when I tested this unit. Antenna went into the furthest rear quarter panel (was still shite) but new units may be out there and better.
Oh and the Gen 5 unit looks like it's cured all the issue I had with the Gen 4 unit.