Souce from DPR:
http://forums.dpreview.com/forums/read.asp?forum=1036&message=20121324
♦ [ Product type ] Wide-angle zoom lens
Model name ( tentative ) : smc PENTAX-DA* 16-50mm F2.8ED AL[IF]
Marketing schedule : To be marketed in March 2007
♦ [ Product type ] Telephoto zoom lens
Model name ( tentative ) : smc PENTAX-DA* 50-135mm F2.8ED [IF]
Marketing schedule : To be marketed in March 2007
♦ [ Product type ] Super-telephoto zoom lens
Model name ( tentative ) : smc PENTAX-DA* 60-250mm F4ED [IF]
Marketing schedule : To be marketed in 2007
Original souce:
http://www.pentax.co.jp/english/news/2006/200646.html
That's wonderful! Guys, we need to save up for these great lenses ;p
Cheers!