* FLIR $22.50~$26.50~ $25 beats by $0.03; guides for FY06; announces additional 5 mln share buyback (FLIR) 24.98 : Reports Q4 (Dec) earnings of $0.43 per share, $0.03 better than the Reuters Estimates consensus of $0.40; revenues rose 8.7% year/year to $156.2 mln vs the $162.3 mln consensus. Co issues guidance for FY06, sees EPS of $1.30-1.40, excluding stock based compensation expense, vs. $1.32 consensus; sees FY06 revs of $590-600 mln vs. $592.79 mln consensus. Co also announced an additional 5 mln share buyback