Anyone has any ideas for a gaming setup i can buy for christmas. Something with high framing rates (monitor included) for about 400 dollars. This is a social question for my class about computers and we need to find something for the class to use to)

The one I am providing isn't a pre-built, but it does match your budget.

PARTS:

CPUAMD Ryzen 3 3200GAMD Ryzen 3 3200G$99

MotherboardGigabyte B450M DS3HGigabyte B450M DS3H$72

MemoryG.Skill Aegis 16GB (2 x 8GB) DDR4-3200 CL16G.Skill Aegis 16GB DDR4-3200$61

StorageCrucial P1 500GB M2 NVMe SSDCrucial P1 500 GB M.2$62

PC CaseCooler Master MasterBox Q300L TUF EditionCooler Master Q300L TUF$47

Power SupplyThermaltake Smart BX1 RGB 550W 80+ BronzeThermaltake Smart BX1 RGB 550W Power Supply 80 Plus Bronze$59

Total$398

I have also been looking into this a while ago.

In a nutshell, the most noteworthy differences are:
- MSE is less prone to false positives.
- Avira has better virus scan customizations

Overall Avira has more options and utilities, while MSE have greater ease of use. If you have any need or prefer to have more control, Avira might be a better choice for you.
However, if you don't want to bother with customization and just want something that "just works", MSE is a fine option. :)

You can read about the differences in greater detail on toptenreviews: http://www.toptenreviews.com/software/articles/avira-vs-microsoft-security-essentials