this androidtv box thing has become so varied and diverse in terms of hardware, support, capabilities, features and price that it is impossible to say what suits a user best without knowing what he wants.

a rm120 box may do everything for one user while a rm1000 one may not be able to do something desired.

so, it all depends on what u want it to do.

if u r a beginner, not looking for high grade video or audio, just basic online streaming, u may wanna start with a rm100-120 box like tanix tx3mini 2+16gb.
https://forum.lowyat.net/topic/4722095/+280

when u know more about such boxes, u can then get a better, more expensive one.

a 3 or 4 + 32 or 64 gb is better only for some heavy stuff or to install 1000 apps.

i have not used beelink but was interested in the GT1-A until a trusted source says it can't do astro go.
https://forum.lowyat.net/topic/4044338/+1180

himedia Q10pro or minix u9h at rm500-600 are among the most capable boxes but may not be great choices now as they are >3 years old, android7 or 6.

really, i myself have been looking for a replacement box but haven't found the right one... so, i use what i have now and wait a bit longer.