What are you gonna do? Tower up with 2 pieces of stone, put a ladder on it, make a trade sign with 14 dirt and eat the melon slice after your done? xD
No lie? I would spawn as many Diamond Blocks as possible, while still giving myself time to make at least 5 Melon Swords. The rest of my time would be spent spawning Nstars. ^.^
i'd spend my 1 minute bragging, and then id blow up wallstreet and spawn and all the surrounding cities.
i would make enchant signs so eff 10 sign unbreak 4 sign for 4 sign prot 5 ect... yes these are possiable with signs