[reddwarf]

Yep, One United membership is the way to go. It costs somewhere between £25-30 and, apart from letting you apply for tickets, you get a few extras like free entry to reserve games, a book reviewing the previous season, discounts on various things and a free gift (usually a keyring/pen/bottle opener etc). You can apply online closer to the start of the new season.

This season I applied for 12 games. I got tickets through the ballot for 6, tickets from the ticket exchange for 2 and couldn't get tickets for 4 (although tbf that was Chelsea, Arsenal, Barcelona and the final home game against West Ham).