Being a new person to muzzleloading, keep it simple. A CVA Bobcat would work fine for you. As for an inline,

http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=792897 something like that might do you. Look at the different rifles on the sites. See which ones you like and then which ones you can afford. Since you were talking a scope, you would probably want to go inline.