MULTIPLE RWY OP INTERSECTING RWYS ACR X ABORTED TKOF ACR Y MADE GAR TO AVOID CONFLICT AT INTXN OF RWYS.

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I WAS PNF; CLRED FOR TKOF ON RWY 17. ADVISED IN CLRNC THAT TFC WAS '2 OUT FOR RWY 27R.' THAT SIGNALED ME TO KEEP A LOOK OUT. THAT IS NOT AN UNUSUALLY CLOSE DISTANCE. I BELIEVE I HAVE TAKEN OFF IN THE PAST IN SIMILAR SITUATIONS WITH NO CONFLICT. ALSO FROM THE TKOF POS ON RWY 17; YOU CANNOT SEE ACFT APCHING TO LAND ON RWY 27R FOR THE FIRST APPROX 500-1000 FT DUE TO A HANGAR BLOCKING YOUR SIGHT. THE CAPT SET TORQUE; I FINE-TUNED THE SETTING. AS I SET PWR AND SCANNED THE INSTS (WHICH TAKES CONCENTRATION IN OUR ACFT DUE TO THE THROTTLES BEING VERY SENSITIVE; AND THE ENGS OFTEN CREEP ON THE PWR SETTING); I LOOKED UP AND SAW THE ACFT FOR RWY 27R. I IMMEDIATELY SENSED A CONFLICT AND ADVISED THE CAPT. I ADVISED THE CAPT AGAIN; I BELIEVE; THAT IT DIDN'T LOOK GOOD. HE ACKNOWLEDGED AND CONTINUED THE TKOF. ATC THEN SAID SOMETHING TO US; I BELIEVE IT WAS ACR X; NO DELAY THROUGH THE INTXN. I ACKNOWLEDGED; I BELIEVE; WITH 'NO DELAY ACR X.' IT WAS TOUGH TO UNDERSTAND WHAT SHE SAID; BECAUSE ME AND THE CAPT WERE DISCUSSING THE SITUATION; WHEN SHE INTERRUPTED. JUST WHEN THE CAPT WAS DECIDING TO ABORT; ATC ADVISED 'ACR X; CANCEL TKOF CLRNC.' I ACKNOWLEDGED. TWR THEN ADVISED ACR Y ON FINAL TO GAR. SHE ASKED US TO HOLD SHORT. I ACKNOWLEDGED WE COULD AND WOULD HOLD SHORT. I BELIEVE THE HANGAR'S BLOCKING OUR VIEW AT THE BEGINNING OF THE RWY WERE A FACTOR. IF I HAD SEEN THE ACFT BEFORE ACKNOWLEDGING THE TKOF CLRNC; I WOULD HAVE ADVISED THE CAPT AND STRONGLY URGED WE WAIT UNTIL THE ACFT PASSES. I THINK THERE IS A MINDSET THOUGH; OF I STARTED THE TKOF; I AM GOING TO TKOF. IF YOU ABORT; AND IT REALLY WASN'T A VALID REASON; THAT YOU WILL GET IN TROUBLE; OR; YOU ONLY ABORT FOR ENG FAILURE OR FIRE.