Knives: We have a Mac sushi knife we like very much
http://www.macknife.ca/mainpage.html
Girlfriend: Sounds like you have to pony up for a Banff Springs spa weekend. Might work out well for both of you. If you really need to impress then buy helicopter rides from Canmore. Nothing she'd ever expect and something she'll remember.
http://www.alpinehelicopter.com/