Simrad's RA30 series seems to prove the need for small radar that offers big performance. The TFT liquid crystal display measures 7 inches diagonal and presents target echoes in differing colors depending on the strength of their signals. Simrad says this feature helps you spot small targets in rough conditions. The radar's semi-3-D presentation distinguishes between weak and strong echoes, further enhancing your recognition of small targets. All models let you simultaneously display normal and semi-3-D on a split screen. The RA30 series' echo tracking, one of its most useful features, lets you track a target's course and instantly know where it's headed. Automatic tracking aid adds to the safety dimension by providing the target's distance, bearing, speed, course, etc. Maximum range is 24, 36 or 48 nautical miles-models RA30, RA31 and RA32, respectively. Retail price: $2,995 to $5,935, minus a $200 rebate available on some models until December 31. Simrad, (425) 778-8821; www.simrad.com.