It is difficult to believe that there is not a big unsatisfied market for well-conceived personal computers at rock-bottom prices, and Packard Bell Electronics Corp, Sacramento, California NEC Corp affiliate, is about to find out. It is testing the $1,000 price point with the C115, a 120MHz Pentium-based machine pitched at families and users needing fast Internet access. The machine comes with 16Mb of Extended Data Out memory, a 1.2Gb hard disk, an eight times standard speed CDROM drive, a 33.6Kbps modem with 14.4Kbps facsimile capability, and 14 colour monitor. It is in shops in the US now.