mine was doing something very similiar. I thought it was the clutch, but instead turned out to be a misfire. changing the plugs and wires was the solution. They day before i took it to get the clutch replaced (at the lowest price i could find of $550), my dad looked at it and decided it was not in fact the clutch. Took it to a local shop in my parents hometown (after i had it towed 200 miles behind my dad's truck), and had to pay diagnostics time, as well as for parts, and the extra time because the plugs were seized into the damn aluminum head. I had clutch quotes of over $850, so if they are resurfacing or replacing the flywheel it might not be that far away from $1000. maybe check fuel and air filters too... they are cheap and easy to replace.