IRL Review VAIO X Ultraportable Laptop-  Years ago while perusing Notebookreview.com and reading Laptop Mag’s advertisements from Sony,  I ran across the VAIO X505. The X505 was an absolute mind blower of a machine- in a time when everything was Pentium 4 (with hyperthreading!) with HUGE heatsinks, and barely anything portable was with a dinky…