Those who complete (compleat!) the Munros can record this fact and receive the magic number by writing in to The Clerk of The List (See here). Additionally, a list of current compleaters is published annually in the SMC Journal.
Alex & Fiona Phillips - 3029 & 3030
An Sgarsoch - 27th July 2003
Alex & Fiona, with the sole exception of Ben Lomond, climbed all of the Munros together, starting with Schiehallion in 1994.