I'm not sure who would be a more conservative Senate Minority Leader than Mitch McConnell. You can argue about Trent Lott and what happened in the house, but MM has historically carried the conservative ideology as well as anyone in the Senate.
I am actually fine with the Senate leadership. I am very disappointed in the House leadership and the possibility as Martinez leading up the GOP.
Trent Lott is a Washington-insider-elitist. However, he knows how to take orders and will do whatever Mitch McConnell tells him to do.