Capcom 3DS sale on eshop until 25th August. Worth noting that Mega Man and Phoenix Wright are download exclusives too.
Mega Man Legacy Collection £7.99 (usually £11.99)
Phoenix Wright Trilogy £12.49 (usually £24.99)
Phoenix Wright Dual Destinies £7.99 (usually £19.99)
Resident Evil Revelations £7.99 (usually £24.99)
Resident Evil Mercenaries £3.59 (usually £8.99)
Super Street Fighter IV £7.19 (usually £17.99) though I've seen Street Fighter cheaper than this for a physical copy.
Mega-Man X2 & X3 are also out for the New 3DS for £7.19 each, and it's buy one get one half price on these two SNES classics.