Reply to Recommend studio monitors

Hi, i want to buy a pair of studio monitors, but dont know wich, here are my options:

JBL Control 2p
http://www.jblpro.com/catalog/Genera...x?FId=64&MId=5

ALESIS M1Active 520
http://www.alesis.com/m1active520

ROLAND MA-15D
http://www.rolandus.com/products/pro...?ProductId=746

ALESIS Monitor One MKII
http://www.alesis.com/monitoronemkii

KRK RP5 Generation 2
http://www.krksys.com/product_rokit.php

M-AUDIO STUDIOPHILE BX5A
http://la.m-audio.com/products/es_la...phileBX5a.html

Keep in mind that the size of bedroom is 3 mts x 3 mts x 3 mts and i DONT WANT to blow up me ears.
I already have a amplifier, not a good one, but gets the work done by now, i ll change it in 2 or 3 months.

Thanks !