If the Onkyo sounds good I see no reason to upgrade, especially at those prices.
You really don't need HDMI on your receiver at this point , and if you need more just get a HDMI switch.
If you have friends in the states, perhaps they could purchase a receiver and ship it to you, that would sure save a lot of cash. Just my 2 cents.

A computer once beat me at chess, but it was no match for me at kick boxing.