are the radial super swamper tires worth the extra cost. I am currently running 32/9.5-15 bias ply swampers and I have no objections with the bias tires other than the slight flat spotting in the morning. I was wondering what everyone's opinion was on the radial versions. I am considering the radials - size 33/10.5-15 - for my next set or possibly some 34/10.5-15 ltbs.