I tried syncing a client on my computer from mid march and so far it seems to sync until block 277934 and 277940 :
Height Date Amount Fee Nr TX Generator Payload Base Target
277940 4/7/2015 22:44:05 0 0 0 NAS-VBK9-5ZXA-CJQ8-GEWVU 0 B 1266 %
277939 4/7/2015 22:44:00 0 0 0 NAS-VBK9-5ZXA-CJQ8-GEWVU 0 B 2531 %
277938 4/7/2015 22:43:58 0 0 0 NAS-VBK9-5ZXA-CJQ8-GEWVU 0 B 5062 %
277937 4/7/2015 22:43:46 0 0 0 NAS-VBK9-5ZXA-CJQ8-GEWVU 0 B 10124 %
277936 4/7/2015 22:43:23 0 0 0 NAS-VBK9-5ZXA-CJQ8-GEWVU 0 B 20249 %
277935 4/7/2015 22:43:22 1'000 1 1 NAS-VBK9-5ZXA-CJQ8-GEWVU 160 B 40498 %
277934 4/5/2015 16:01:21 0 0 0 NAS-5HZF-TPQ5-GSHF-7GV33 0 B 20249 %
277933 4/5/2015 16:00:19 0 0 0 NAS-5HZF-TPQ5-GSHF-7GV33 0 B 19596 %
Blocks after 277934 appearing and dissapearing ...
Very strange thing and it seems we have, again(sigh) a messed up network.