Unlike the current Lincoln LS, the new Mustang likely will be offered with both a live rear axle and an independent rear suspension, the latter reserved only for high-performance variants such as the SVT. This ensures Ford will be able to offer an affordable (under $20,000) V-6 Mustang. Although Thai-Tang didn't provide fine detail, he assures us a credible suspension job could be done with a live axle for price-conscious Mustang shoppers. The other core customers concerned about keeping a rugged, simple, live axle are the Mustang enthusiasts who evaluate performance a quarter mile at a time. For drag racers, the live axle's anvil-like toughness and relative ease of changing its rearend ratios far outweigh the handling and ride advantages of an independent system.
Later, more sophisticated, more expensive versions of the Mustang will get IRS. With unequal-length control arms and coil springs, it's based on an improved and strengthened version of what's now used in the Lincoln LS.

I've been reading other threads that have said that the 2005 v6 mustang is going to start at around $18,000 and that the 2005 mustang gt is going to start at around $25,000. Car and Driver and Motortrend have given similar prices for the gt but i was watching the video of the introduction of the new mustang at the NAiAS and noticed that the speaker said that BOTH the 200 and 300 hp mustangs will start at UNDER $20,000. So i am wondering what the actual estimated starting price for the gt will be. The vid is posted below along with a link to the mustang trilogy video: