[gmvasco]

From bitsub.com.
£218.98 is the best price I see.
They ship to Portugal (some other places don't ship outside UK).

Reasons to buy it:
I read a lot.
I believe e-ink is at the present time a viable alternative to paper books.
I pay too much money to get my literary fix (currently Asimov) sent to me from other countries.
I am a technophile.
I prefer open-source.
It's specs are better (for my usage) than sony's prs-505, cybook's gen3, etc.

Reasons not to do it:
LA LA LA, I CAN'T HEAR YOU!
LADILALAAAAAAAAA
(takes hands off ears)
...and take into account...
(puts hands back on)
LAAAAAA LA LA LA LA LA!
LA LAAAAA LA LA LA LA
...
(silence)
...

(takes hands off ears, and recomposes himself)

So, after carefully considering both sides of the question, I think I'm going to do it.
I'm just waiting to see where the shipping costs are lower.