The main upgrade of the iPhone 3G from the original iPhone was the 3G chip which brought faster download speeds.
The main upgrade of the iPhone 3GS from the iPhone 3G was the CPU speed increase and the video-taking capability.
As far as what's new, your main upgrades to Samsung's already well-received tablet are internal, doubling both the RAM and storage up to 8GB and 256GB respectively, helping solidify the tablet's place as a full-on PC replacement.
Last week, a spokesman for the city's Department of Environmental Protection, which oversees the water system, said the hydrants had all been dismantled by now except "maybe one or two in the Wall Street area," where the work is tied to water-main upgrading that has been slowed by the September 2001 terrorist attack.
We could certainly use a bunch of high-speed trains, a smart electric grid, highway and water-main upgrades and so forth, but only government can pay for those things, and to do that, you have to either tax or borrow.
The main drawback with upgrading from Vista to Windows 7 is the cost, but you may be able to find a cheap, legal upgrade disc.
Many foreign security experts, including senior Pentagon analysts, say China's main objective in upgrading its submarine fleet is the ability to delay or deter a United States intervention on behalf of Taiwan.
The main problem with upgrading the Wakefield branch was the dimensions of George Leather's cast iron aqueduct over the River Calder at Stanley Ferry.
Commercial satellite imagery taken a few weeks ago suggests that North Korea is upgrading its main launch facility with the possible intention of handling both larger and more mobile missiles, a Washington-based research institute that monitors the country said Tuesday.
In this plant, flotation and jigging are the main processing methods for upgrading coal products.
And yet North Korea continues to act aggressively to expand its military capabilities, including upgrading its main rocket launch site, increasing production on a growing stockpile of nuclear arms and improving its arsenal of intercontinental ballistic missiles.
