AN ACR B767 FLC RECEIVED SEVERAL XMISSIONS ON FINAL APCH REGARDING A PROPOSED RWY CHANGE WHICH THE CAPT FOUND TO BE CONFUSING AND IRRITATING. THE ACFT WAS; IN THE FINAL DECISION; CLRED TO LAND ON THE ORIGINAL RWY.

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AS WE APCHED DFW ARPT FROM THE S WE WERE TOLD WE WERE TO LAND ON RWY 35C. WE WERE TOLD TO KEEP OUR SPD UP AND GIVEN A VECTOR THAT INTERCEPTED FINAL INSIDE THE OM (WE WERE IN VISUAL CONDITIONS). AS WE GOT CLOSE TO THE ARPT THE FO AND TWR MADE SEVERAL RADIO CALLS BACK AND FORTH ABOUT WHICH RWY WE WANTED; AND SHOULD LAND ON. THE SIT BECAME VERY CONFUSED. I CONTINUED TO FLY TOWARD RWY 35C (THE ORIGINAL RWY WE WERE TOLD TO LAND ON). AS WE GOT CLOSE TO THE RWY (35C); IT BECAME CLR THAT YES INDEED RWY 35C WAS CORRECT. WE LANDED ON RWY 35C AND AFTER WE GOT TO THE GATE I CALLED THE TWR SUPVR TO DISCUSS THE SIT. WE ALL AGREED THE ENDING WAS OK -- WE LANDED ON THE CORRECT RWY. NOTE: PERSONALLY; I DO NOT LIKE LAST MIN RWY CHANGES OR EVEN DISCUSSIONS ABOUT CHANGING RWYS. ONCE AN APCH IS PLANNED; BRIEFED; AND THE RADIOS AND INSTS SET UP FOR A PARTICULAR RWY; THEN THE APCH AND LNDG SHOULD BE MADE TO THAT RWY UNLESS THERE IS A VERY; VERY IMPORTANT REASON TO CHANGE THE RWY. UNNECESSARY RWY CHANGES INVITE PROBS.