I created a character sheet for the Majestic Wilderlands. It can be downloaded from batintheattic.com here. It was inspired by the Basic D&D sheet found on Dragonsfoot.org.
It designed to be printed double sided producing two sheets; one for a spell using class and the another for non-spell users. The only major difference between this and the other Swords & Wizardry character sheets is that I added a place you can record the ability bonuses of a character.