Not sure what you're using for a preamp but with $2500, I agree with everyone's suggestions to upgrade your amp with used ones until you find the sound you like, using half the money. Only consider high current amps. I haven't heard the Odyssey but the Rogue integrated brings some warmth to the MMGs and the Parasound was worth a listen. I like the Van Alstine Synergy 240 I'm running now with a Van Alstine T10 tube based pre.
If your CD player has a digital output, you could use the other half of your budget on a decent DAC. You may be surprised at the difference. The DAC market is little crazy so listen to as many as you can to get an idea of your voicing options and what fits your tastes.
I have only heard the MMGs in my house so I can't comment on the sound of either the .7 or 1.7 models. I can say the DWM brought subtle depth and noticeable dimension when placed correctly and wired out of phase. It is hard to disagree with issues about the cost effectiveness of the gunn rebuild in an under $5000 system. It is a complete transformation of the stock speaker, replacing the MDF frame with a solid wood structure, reorienting and rewiring the driver and rebuilding the crossover. Great project if its your thing but otherwise pretty daunting. Unfortunately, they may send you on an upgrade path that goes far beyond your original budget plan. A used DWM might fit in your budget with the right amp and dac and fit the sound profile you're shooting for.