Microsoft has announced that starting April 3rd of this year you will be able to pick up a memory unit able to hold up to 512MB.  Along with getting eight times the space of the current MU the 512 will come with ‘Geometry Wars: Retro Evolved’ for those who still don’t have it.  The new memory unit will cost you $49.99 (USD) and when it is released the 64MB unit will be reduced in price to $29.99.

Within the same press release Microsoft has also announced that starting today the LIVE Arcade size limit has been increased from 50MB to 150MB.