As others have noted, this movie is filled with bad effects, flat acting and any number of other problems. Yet there are many moments where it seems like the movie might work. But just when things start to get rolling, the timing goes out and suddenly its the most boring thing you've seen.
Consider the opening. It starts with a bunch of fast action scenes of our heroic duo blowing up banks one after another in quick succession. One of these consists of nothing more than throwing a bundle of dynamite in the door, causing the entire building to explode into matchsticks. Dumb, but fun.
And then for no reason I'll ever understand, the next heist is shown in excruciating detail... this time they're drilling holes into the safe and setting up this elaborate system for pouring in nitro. I don't know how they managed to do it, but they dragged this scene on for minute after minute of excruciating nothingness as the two banter on mindlessly, setting themselves up all-too-obviously to get caught. The entire movie dies right there, the pace just kills.
And it keeps doing this, over and over. Then we're in Europe, where there's a bunch of fast scenes while they shoot down a bomber with their pistols and then fly off. An excruciating scene follows. And again, and again and AGAIN. Over and over it looks like they just might pull it off and save it, only to bore you to death seconds later.
Bizarre!