the lag

Put the summary of the bug you're having here

What I expected to happen was...:
the new version would be fun

What actually happened was...:
the lag in the game was unbearable

Steps to Reproduce:
1. go to 69.CBGA.ME
2. and if the game starts like the world is half finished loading then you'll understand
3. this is what is says

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 7/11/13 6:58 PM
Description: Unexpected error

java.lang.NullPointerException
	at bda.a(SourceFile:322)
	at bdv.l_(SourceFile:74)
	at bee.a(SourceFile:57)
	at ats.k(SourceFile:1402)
	at ats.S(SourceFile:663)
	at ats.d(SourceFile:619)
	at net.minecraft.client.main.Main.main(SourceFile:101)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.6.2
	Operating System: Windows Vista (amd64) version 6.0
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 343967920 bytes (328 MB) / 403439616 bytes (384 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 425 (23800 bytes; 0 MB) allocated, 425 (23800 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	Launched Version: 1.6.2
	LWJGL: 2.9.0
	OpenGL: GeForce GT 620/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Default
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null