Just like they said above, fighter chest is the RuneScape gold thing to do, and you can use it right now if you should receive it. For the legs, personally I like Verac's skirt for its own prayer bonus (and manliness). Even in the event that you don't beg for your entire undertaking, you may as well use up your base prayer points on like superhuman strength (+10% strength to the first part of your task is really nice), and the prayer bonus just causes it to go that much further.

About the superb sets, super strength and attack are a must on all tasks, but super defenses you may wish to just bring if you discover you're struck a good deal on a single particular task. In any case, super defenses are very cheap compared to others, and they only concern with them is they take up inventory space. One more thing that Rs 2107 gold you should pick up is really a DDS for your spec weapon (if you have not already). It's inexpensive, and has a good offensive special that may minutely accelerate your job (if anything it makes you feel good getting two good piled hits).