HP is expanding their Proliant entry level server range with new servers:
HP ProLiant DL180 G5
HP ProLiant DL185 G5
HP ProLiant DL160 G5
HP ProLiant DL165 G5

Also new features added to ProLiant ML110 G5, ML150 G5, ML310 G5 and DL320 G5p

Read more here:
http://www.hp.com/hpinfo/newsroom/press/2008/080114a.html