Changing host effect on search engine and page ranking

If I change my host does this have any effect on my sites ranking in a search engine?

Skype

I think everyone knows it.I wanted to hear what othes think about it.
Personally i hate it and don't know why its so popular.Its and easy IM only with built in voice messaging.
I hate that it use screename instead of phone number.Hate it's design which is more like a IM.

Microsoft "Zune" Price And Release Date.

Microsoft Corp. said on Thursday its new Zune music player will be sold at a price matching Apple Computer Inc.'s market-leading iPod and, as a result, lose money this holiday season. Microsoft's 30-gigabyte Zune will retail for $249.99 -- 99 cents higher than the iPod with the same amount of storage -- when it goes on sale November 14. Songs available for download at the Zune Marketplace service will cost about 99 cents a song, on par with prices at Apple's iTunes, Microsoft said.

ATI..or Nvidia?

hi
which you prefer to use?
ATI..or Nvidia?

and why?

I think Nvidia is the best at moment...look at Geforce 7950 GX2

GeForce 7950 GX2
PCI Express
Memory 1GB (512MB per GPU)
Memory Interface 512-bit
Memory Bandwidth (GB/sec) 76.8
Fill Rate (Billion pixels/sec) 24
Vertices/second (Billion) 2.0
Pixels per clock (peak) 48
RAMDACs (MHz) 400
this card is the best...but it,s so expensive..you must pay aroun 500$ for get it


my Graphic card is Nvidia Geforce 5500FX...yah it,s pretty old...but it,s still running huge games such F.E.A.R and Call Of Duty 2

What about you?