No they are the same size unless you take into account the extra modifications the 40k Orks have.
Defineitley 40K.
Answer 40K is a mini war game were two or more people collect miniatures and then assemble, paint and battle them.
40k.
When a number is given followed by K it means the weight of the gold. Most have 10K, 12K, 14k and 18k. I have never seen 40k.
It should mean armor save such as 3+
40k means 40,000
warhammer 40k or 40,000 is the year. It is 38,000 years in the future.
A 40k marathon is about 25 miles.
The numerical equivalent of 40k is 40,000
Answer Warhammer Epic is much smaller than 40K. It is also cheaper.
Rumor on the internet says that the release of 40K mmorpg will be in 2011