Oi, Pallo! You sound like a pretty experienced traveller! I would totally ditch the arranged tour for Banff. Everything is REALLY close in that town and most of the major areas are serviced by the local busses.
Also , I understand that Banff Taxi provides tours. Make sure that you call to arrange your pick-up time and an experienced drive will show you around.
Check our the Town of Banff tourism page:
Also the "Top Ten things to see and do in Banff"
1 Ride the Banff Gondola: take the Gondola to the top of Sulphur Mountain to gain spectacular 360 degree views. Follow the walkways and check out the historic Cosmic Ray Station.
2 Soak in the Upper Hot Springs: relax in the famous therapeutic spring waters of the Upper Hot Springs. This is the perfect way to end a day in the mountains.
3 Enjoy the Cave and Basin: discover the hot springs cave and learn about the railway workers who made this amazing discovery.
4 Hike Tunnel Mountain: you don’t have to venture far from town to experience breathtaking views. The trip up Tunnel gives you a bird’s eye view of the Townsite, Vermilion lakes, and the Bow River. Check out our trail guide for more details.
5 Visit Lake Louise & Moraine Lake: no trip to Banff is complete without a visit to Lake Louise and Moraine Lake. Rent a canoe at either lake to enjoy the water and views from a different vantage point.
6 Drive the Icefields Parkway: drive one of Canada’s most scenic byways. Every turn takes your breath away. There are great spots to stop as well, including Peyto Lake, Bridal Veil Falls and world famous Bow Lake to name a few.
7 Visit the Bow Falls: check out the waterfalls that Marilyn Monroe went over in the classic movie River of No Return.
8 Tour the Fairmont Banff Springs Hotel: stroll the grand halls and majestic lobby of the “Castle in the Mountains,” Banff’s first hotel and a designated national historic site.
9 Visit the Whyte Museum of the Canadian Rockies: learn about the history and culture of the Canadian Rockies through natural history, human history and art.
10 Revel in the world-class scenery: while walking, hiking, biking, canoeing, skiing and skating around Banff.