Hay been playing minecraft for a wile.
a friend gave me a link here to download the Client.

Downloads and setup's fine.

But when i log into a world.
No lag wich is Great ^.^
But when ever i use a door
or build a Cube.

It crashes for 5-7 secs.
Almost as tho the framerate drops to 2 or somthing.

Was wondering if anyone could sugest anything.

Thanks
.Akilo