Barjonah,
It is possible that you might be right about that. A handful of the Memphis 30 could easily become another "good ole boy" system if given enough "power" over time. But others in the Memphis crew have little interest in the political machinations of the SBC.
As to Burleson and the "younger leaders", I don't see that as a lasting alliance. Many younger pastors and bloggers took up his cause because they agree with him on certain specific current issues, especially the new extra-biblical IMB guidelines. Other younger pastors and bloggers share his reformed soteriology, but the any other comparisons are few.
At the end of the day, Burleson is a boomer. He's going to stay committed to the SBC as institution if he believes he can have some influence over what it will look like in the future.
Most (but not all) of the young pastors and bloggers who took up his case this last winter are busters. They are not committed to the SBC as institution. They will stay committed to the SBC if they perceive that they can help lead and influence it to become a missioanl movement (as opposed to a missions-minded institution), which is why they took such an interest in the IMB debacle. For now, many of them are more committed (by percentage) to the CP than most boomer mega-church pastors. That support will wane, however, if convention leadership posts continue to be filled by people who only nominally support the CP. That's incongruous and they're not afraid to say it. If it continues, they'll find and form other mission networks to support.
Also, a growing number of younger pastors are reformed in their soteriology. If the current leaders stay committed to their vitriole against biblical soteriology, that will probalby drive a number of younger pastors away, too.
So either the convention will change or they'll leave (but quietly, leaving in a big fuss isn't their style). I really don't think you have to worry about too many "younger leaders" becoming the next SBC good ole boy system.