The phrase "good upgrade" is grammatically correct and can be used in written English.
Example: The new software update promises to be a good upgrade for our company's productivity.
"My feeling is they needed to get somebody and I think they got a pretty good upgrade from me," he said.
I don't think it's worth hanging on for Windows 9 (aka Threshold), though it should be a good upgrade when it arrives.
The Echo Dot can be used as a Bluetooth speaker or with Spotify connect, but it can also connect to another set of speakers via Bluetooth or a 3.5mm audio socket, which makes it a good upgrade for an existing stereo.
"People have been worried that Office 2000 wasn't going to be very successful, but our take on this product is that it's a very good upgrade," Stanek says.
All of the content attached to HD movies is also now presented in HD, which is a good upgrade.
(metal), get some good upgrades.
They are good upgrades for the economy.
What's more, sellers are often skilled at triggering our status concerns with tantalizing offers of luxury goods, upgrades, and other bells and whistles we don't need.
Upgrading troops that you rarely/never use are not as important, but would be good to upgrade since your attack style may change.
Not to be outdone, Verizon Edge lets customers in good standing upgrade every six months.
