The new CP Quark "SG" should be out sometime in April....................but wow, she's gonna be expensive!! And no 2.4 gHz!!?? Comes RTF with the same "normal flight mode" Tx as you get with the SRB. In order to fly inverted, you'll have to have or buy an after market Tx.
http://www.rcheliwiki.com/Hirobo_SRB_Quark_SG