Platter Upgrade for Garrard 301

I am toying with the idea of upgrading my analog system to the next level up from my VPI scout. I've heard alot of talk about great performance from a Garrard 301 coupled with a upgraded plinth that I could buy from various sources, such as Oswald Mill Audio or Shindo, among others. However, I rarely hear about other upgrades for the Garrard. Isn't the platter a key component that should be a contender for an upgrade? I know Shindo makes such a platter, but they seem to be ultra expensive. There must be a less expensive alternative? Also, what other upgrades should I consider to a Garrard? Thanks, Mark