To coincide with today's PS3 Firmware Update 3.10
it appears Sony's PSP console will also be receiving an update tomorrow, November 19, 2009.
According to kassatsu
from NeoGAF (linked above), Thursday's PlayStation Portable Firmware update 6.20 will include an extra category to the XMB and also a comic reader.
To quote: "PSP Firmware 6.20 Coming Thursday! All we know so far is that it adds an Extra category to the XMB and the Comic Reader will be on there.
In other news, comics go on sale on PSN Dec 10th (in Japan).
Pricing: ¥420 per volume. ¥50-¥150 per chapter."
More PlayStation 3 News