WI have really turned themselves around in the last year and a half, the test side might be different from the t20 side but they're still decent quality, they gave australia some troubles. the fact is with narine coming to the fore WIs spin attack has become a lot more potent. in narine they have a wicket-taker and someone who soaks up the runs, he didn't do so well in his first test outing but after that did a good job so i reckon he will be at worst decent in the test arena. now with narine taking wickets at a good econ rate it gives more leeway if they decide to play more than one spinner, guys like bishoo have potential so WI do have quite a decent spin attack especially when they're onsong. pace wise roach is really stepping it up and he has some decent back-up. so overall a really solid bowling unit with 2 genuine strike bowlers in roach and narine and good support bowlers.
as far as batting go they have gayle, chanderpaul, samuels and bravo who are all good scorers, capable of scoring big runs against even quality attacks.
BDs best hope is to strengthen the batting as much as they can and strengthen their spin as much as they can.
All Time Test XI: 1 Hobbs 2 B.Richards 3 Bradman 4 Pollock 5 V.Richards 6 Sobers 7 Gilchrist 8 Procter 9 Miller 10 Marshall 11 Warne